(Guidance Programme) Combined Higher Secondary Level [CHSL] (10+2) Exam : Percentage

‘Per cent’ means ‘per hundred’. It is given by % symbol. Here x% means x per hundred . Thus, any percentage can be converted into an equivalent fraction by dividing it by 100.

Also, any fraction or decimal can be converted into its equivalent percentage by multiplying with 100.
eg

1. Who has been chosen for the 29th Saraswati Samman?

a. K. SIVA REDDY
b. VASDEV MOHI
c. SITANSHU YASHASCHANDRA
d. MAHABALESHWAR SAIL

2. Which country's government has resigned in Jan 2020 after the President announced the constitutional amendment?

a. ZIMBABWE
b. VENEZUELA
c. RUSSIA
d. EGYPT

3. Which Indian entrepreneur has been awarded Australia's highest honor 'Order of Australia'?

a. RATAN TATA
b. ANAND MAHINDRA
c. N R NARAYANA MURTHY
d. KIRAN MAZUMDAR SHAW

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1. Bapu Nadkarni was associated with which Game?

a. SHOOTING
b. HOCKEY
c. KABADDI
d. CRICKET

2. Which Indian female wrestler recently won a gold medal in the Rome Ranking Series 2020 event?

a. GEETA PHOGAT
b. BABITA PHOGAT
c. VINESH PHOGAT
d. LOUISA ELIZABETH VALVERDE

3. In which state / union territory, Z-twist tunnel will be constructed?

a. HIMACHAL PRADESH
b. ARUNACHAL PRADESH
c. JAMMU & KASHMIR
d. LADAKH

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1. Which organization released the 'World Economic Situation and Prospects' Report?

a. UNO
b. WEF
c. IMF
d. WORLD BANK

2. In which state first edition of 'Krishi Manthan' is being organized?

a. DELHI
b. GUJARAT
c. UTTAR PRADESH
d. MADHYA PRADESH

3. Which Indian satellite was launched recently from French Guinea?

a. GSAT-27
b. GSAT-28
c. GSAT-31
d. GSAT-30

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1. In which city 7th Commonwealth Parliamentary Union Conference is being organized?

a. DELHI
b. LUCKNOW
c. HYDERABAD
d. KOCHI

2. Who has been appointed as new General Manager of Western Railway?

a. ANIL KUMAR GUPTA
b. MAHESH KUMAR
c. ARUNENDRA KUMAR
d. ALOK KANSAL

3. Which company recently launched a new version of the 'Edge Chromium' browser for the Mac and Windows platforms?

a. GOOGLE
b. MICROSOFT
c. OPERA
d. FIREFOX

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1. When is Army Day celebrated in India?

a. 15 JANUARY
b. 16 JANUARY
c. 17 JANUARY
d. 18 JANUARY

2. Who has been awarded 'Player of the Year' by ICC?

a. VIRAT KOHLI
b. BEN STOKES
c. STEVE SMITH
d. ROHIT SHARMA

3. Which company has announced to invest one billion US Dollars for the digitization of small and medium industries in India?

a. JIO MART
b. WALMART
c. PAYTM
d. AMAZON

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(Guidance Programme) Combined Higher Secondary Level [CHSL] (10+2) Exam : Average

Average

The average of a given number of quantities of the same kind is expressed as

Average = Sum of the quantities/ Number of the quantities
Average is also called the Arithmetic Mean.

Also, Sum of the quantities = Average × Number of the quantities

Number of quantities = Sum of the quantities/ Average

• If all the given quantities have the same value, then the number itself is the average.

• If all the given quantities are not all the same, then the average of the given quantities is always greater, then the smallest number and always less than the largest number. Equivalently, atleast one of the numbers is less than the average and atleast one is greater then the average.

• If each of the given quantities is increased by a constant p, then their average is also increased by p.

• If each of the given quantities is decreased by a constant p, then their average is also decreased by p.

• If each of the given quantities is multiplied by a constant p, then their average is also multiplied by p.

• Whenever the given quantities form an arithmetic sequence and if the given quantities has odd terms, then the average is the middle term in the sequence and if the given quantities has even terms, then the average of the sequence is the average of the middle two terms.

• In order to calculate the weighted average of a set of numbers, multiply each number in the set by the number of times it appears, add all the products and divide by the total number of numbers in the set.

1. Which Indian monument has been included in the list of ‘Wonders of SCO’?

a. BOGIBEEL BRIDGE
b. ORCHHA FORT
c. STATUE OF UNITY
d. RED FORT

2. Who has been appointed as the new Director General of CRPF?

a. A. P. MAHESWARI
b. SANJEEV GARG
c. NITIN JAIN
d. REKESH BEDI

3. When is Armed Forces Ex-Servicemen Day celebrated?

a. 11 JANUARY
b. 12 JANUARY
c. 13 JANUARY
d. 14 JANUARY

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1. Which Port trust recently renamed as 'Dr. Shyama Prasad Mukherjee Port'?

a. Kandla Port
b. Visakhapatnam Port
c. Mormugao Port
d. Kolkata Port

2. In which city 'World Future Energy Summit 2020' is being organized?

a. Abu Dhabi
b. Shanghai
c. Tokyo
d. London

3. In which state Indian Pediatric Academy launched 'TB Free Air for Every Child' program?

a. Andhra pradesh
b. Maharashtra
c. Kerala
d. Delhi

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1. National Youth Festival is celebrated in whose honor?

a. RAJA RAM MOHAN ROY
b. SWAMI DAYANAND SARASWATI
c. VIDYA CHAND SAGAR
d. SWAMI VIVEKANAND

2. Which organization recently released a report titled 'National Strategy for Financial Inclusion'?

a. STATE BANK OF INDIA
b. RESERVE BANK OF INDIA
c. BANK OF BARODA
d. INDIAN BANK

3. In which year Mahatma Gandhi returned to India from South Africa?

a. 1913
b. 1914
c. 1915
d. 1916

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1. In which city International Naval Event 'Milan' will be organized in March 2020?

a. HYDERABAD
b. KOCHI
c. MUMBAI
d. VISHAKHAPATNAM

2. The North East Natural Gas Pipeline Grid is being implemented by five Indian public sector companies, what is the name of this joint venture firm?

a. Indradhanush Gas Grid Limited (IGGL)
b. Indraprastha Gas Limited
c. Indian Oil Gas Grid Limited (IOGGL)
d. Oil and natural gas Grid Limited (ONGGL)

3. 'Karmayodha Granth', book is based on life of which Indian politician?

a. ATAL BIHARI BAJPAI
b. LAL KRISHNA ADVANI
c. NARENDRA MODI
d. ARUN JAITLEY

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(Guidance Programme) Combined Higher Secondary Level [CHSL] (10+2) Exam : Puzzle Test (MCQ)

Directions (Q. No. 1-5): Study the given information carefully and answer the questions that follow :

(i) A, B, C, D, E, F and G are sitting on a wall and all of them are facing east.

(ii) C is on the immediate right of D.

(iii) B is at an extreme end and has E as his neighbour.

(iv) G is between E and F.

(v) D is sitting third from the south end.

1. Who is sitting to the right of E?

(a) A
(b) C
(c) D
(d) F

(Guidance Programme) Combined Higher Secondary Level [CHSL] (10+2) Exam : Alpha-Numeric Sequence Test (MCQ)

Directions (Q. No. 1 to 5) : These questions are based on the following arrangement;

J Y 2 = S £ x E G M ¤ 7 $ H P 9 K L b @ W Q 1 3 # C D Ó

1. How many such symbols are there in the above arrangement each of which is either immediately followed by a number or immediately preceded by a letter, but not both?

(a) Nil
(b) One
(c) Two
(d) Three

1. Which space agency launched the Transiting Exoplanet Survey Satellite (TESS)?

a. JAXA
b. ISRO
c. NASA
d. NONE OF THESE

2. 'Jal-Jeevan-Hariyali Mission' is an initiative of which state government?

a. BIHAR
b. UTTAR PRADESH
c. MADHYA PRADESH
d. DELHI

3. Which public sector bank has approved financial support for the Women Entrepreneur Welfare Association (WEWA) of Tamil Nadu?

a. STATE BANK OF INDIA
b. BANK OF BARODA
c. PUNJAB NATIONAL BANK
d. INDIAN BANK

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(Guidance Programme) Combined Higher Secondary Level [CHSL] (10+2) Exam : Syllogism

 The word ‘Syllogism’ is also referred to ‘Logic’. Syllogism is an important section of logical reasoning and hence, a working knowledge of its rules is required on the part of the candidate. Hence, it can be expressed as the ‘Science of thought as expressed in language’. The questions based on syllogism can be solved by using Venn diagrams and some rules devised with the help of analytical ability.

With this unique characteristic, this test becomes an instrument of teaching the candidates to follow the rules and work as per the instructions without an error. Here, only the basic concept and rules, which have a bearing on reasoning faculty could alone help. There are some terminology which are used in syllogism.

1. Who is the current Director General of DRDO's Aeronautical System, also known as “Missile Woman of India”?

a. Nandini Harinath
b. Tessy Thomas
c. Anuradha TK
d. Minal Rohit

2. India has issued a Line of Credit of USD $75 million for the construction of Solar Park to which country?

a. CUBA
b. INDONESIA
c. NEPAL
d. BANGLADESH

3. Which state government has launched the Aarogyasri scheme to provide free medical aid to poor people?

a. TELANGANA
b. MADHYA PRADESH
c. ODISHA
d. ANDHRA PRADESH

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(Guidance Programme) Combined Higher Secondary Level [CHSL] (10+2) Exam : Inserting the Missing Character

In this chapter questions contain a figure, a set of figures, an arrangement or a matrix, each of which bears certain characters, be it numbers, letters or a group/combination of letters/numbers which follow a particular pattern. You are required to identify and decipher this pattern and accordingly find the missing character in the figure.

Example 1:  

(a) 7
(b) 25
(c) 49
(d) 129

Solution. (b) The pattern is
(16 – 6)2 + (5 – 2)2 = 102 + 32 = 109
(22 – 15)2 + (21 – 19)2 = 72 + 22 = 53
So, the missing number = (17 – 13)2 + (51 – 48)2 = 42 + 32 = 25

Example 2:  

(a) 45
(b) 50
(c) 60
(d) 63

Solution. (d) Moving clockwise direction, the numbers are 13 – 1 = 0, 23 – 1 = 7, 33 – 1 = 26 and 43 – 1 = 63

Example 3:

(a) 9
(b) 18
(c) 24
(d) 27

Solution. (a) Starting from 3 and moving clockwise, the number in each quadrant is the square of that in the previous quadrant. So, the missing number = 32 = 9

SSC CHSL (10+2) Exam : Printed Study Materials

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1. Which country has recently banned sunscreen, which are harmful to coral reefs?

a. Maldives
b. South Africa
c. Seychelles
d. Palau

2. Who has been appointed the first chairman of the National Medical Commission(NMC)?

a. Surendra Chandra Sharma
b. Mahesh singh
c. Dhirendra prabhakar
d. Sanjeev kumar singh

3. Which state's transport department has launched a helpline for women called "Damini"?

a. Madhya Pradesh
b. Uttar Pradesh
c. Delhi
d. West Bengal

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1. Prime Minister Modi recently inaugurated 5 Young Scientific Laboratories of which organization?

a. Defence Exhibition Organisation.
b. Defence Intelligence Agency
c. Directorate of Military Intelligence
d. Defence Research and Development Organisation.

2. The first satellite of 2020 will be launched on January 17, 2020, what is the name of this satellite?

a. GSAT-30
b. GSAT-31
c. GSAT-32
d. GSAT-33

3. In which city National Disaster Response Force (NDRF) Academy will be established?

a. Guwahati
b. Pune
c. Nagpur
d. Lucknow

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1. Which state has declared 2020 as the 'Artificial Intelligence Year' and signed MoU with research companies for research in the field of Artificial Intelligence?

a. ANDHRA PRADESH
b. KARNATAKA
c. TELANGANA
d. DELHI

2. Sunita Lakra announced her retirement, with which sport she is associated with?

a. CRICKET
b. LAWN TENNIS
c. TABLE TENNIS
d. HOCKEY

3. Umaro Sissoko Embalo has been recently elected as President of which country?

a. GUINEA-BISSAU
b. BRAZIL
c. SOUTH AFRICA
d. SOUTH KOREA

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Here, we deal with the questions having information regarding arrangement. We are giving some objects and then we have to arrange them according to information provided. Objects are arranged either in row or in a circle on the basis of such conditions. In some questions, we will also deal with other arrangements like square/pentagon/ hexagonal.

Different Types of Sitting Arrangement

There are two types of questions which are asked in various competitions

Type 1 Arrangement around a Closed Path

In such questions, we are giving some clues regarding arrangement. We have apply these clues on a circle and using these information, we have to find the solutions of questions associated with them. In this arrangement, we also deal square/pentagon/ hexagon, questions.

Before solving type 1 questions, following facts are necessary to know.

For Circular Arrangement

In this arrangement some persons are sitting around a circle and they facing the centre.

(Guidance Programme) Combined Higher Secondary Level [CHSL] (10+2) Exam : Direction Sense

The problems in this chapter deal with the linear distance or displacement or direction between starting point and the final point in X – Y dimensions.

Example 1: One morning after sunrise, Sita and Gita were standing in a chowk in Mumbai with their back towards each other. Sita’s shadow fell exactly towards right hand side. Which direction was Gita facing ?
(a) East
(b) West
(c) North
(d) South
Solution: (c)

1. Which Sikh Guru's birthday is celebrated as “Prakash Parv”?

a. GURU ARJUN DEV
b. GURU GOVIND SINGH
c. GURU RAM DAS
d. GURU HAR GOVIND

2. Which country is the largest source of FDI in India in the first half of FY 2019-20?

a. U.S.A.
b. JAPAN
c. CHINA
d. SINGAPORE

3. According to the announcement made by ISRO, what is the estimated cost of Chandrayaan-3 project?

a. 600cr
b. 700cr
c. 800cr
d. 900cr

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(Guidance Programme) Combined Higher Secondary Level [CHSL] (10+2) Exam : Blood Relations

What is Blood Relations ?

Blood relation logical problems mainly deal with the hierarchical structure of a family i.e., grand-parents, parents and children etc. Different relationships between the family members of different generations will be given. To solve the questions related to blood relations, the entire family tree has to be drawn by putting the various relationships.

In such problems, the aptitude of candidate is shown by the knowledge of the various blood relations. The typical relationships that are commonly used in blood relation problems are summarized as follows

• Father’s or Mother’s son = Brother
• Father’s or Mother’s daughter = Sister
• Father’s or Mother’s brother = Uncle
• Father’s or Mother’s sister = Aunt
• Father’s or Mother’s father = Grandfather
• Father’s or Mother’s mother = Grandmother
• Brother’s or Sister’s Son = Nephew
• Brother’s or Sister’s Daughter = Niece
• Uncle’s or Aunt’s son or daughter = Cousin
• Sister’s Husband = Brother-in-law
• Brother’s wife = Sister-in-law
• Son’s wife = Daughter-in-law
• Daughter’s Husband = Son-in-law
• Husband’s or wife’s sister = Sister-in-law
• Husband’s or wife’s Brother = Brother-in-law

1. Which two countries signed an agreement against the attack on nuclear bases in 1988?

a. INDIA AND IRAN
b. INDIA AND PAKISTAN
c. INDIA AND CHINA
d. PAKISTAN AND IRAN

2. Which organization has recently launched Mobile Aided Note Identifier Application (MANI) app?

a. STATE BANK OF INDIA
b. BANK OF INDIA
c. RESERVE BANK OF INDIA
d. SEBI

3. At which place ceremony organized by Netaji Subhash Chandra Bose for the 76th anniversary of hoisting the flag?

a. PORT BLAIR
b. KOLKATA
c. GUWAHATI
d. SINGAPORE

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1. Which state has decided to celebrate the first day of the month as 'No Vehicle Day' from 2020?

a. KERALA
b. UTTAR PRADESH
c. UTTARAKHAND
d. RAJASTHAN

2. Which ministry has decided to launch a portal called 'Santusht' for redressal of grievances of employment providers and employees?

a. MINISTRY OF LABOR AND EMPLOYMENT
b. MINISTRY OF HOME AFFAIRS
c. MINISTRY OF CORPORATE AFFAIRS
d. MINISTRY OF EXTERNAL AFFAIRS

3. In which railway station, India's first oxygen parlor is opened?

a. MUMBAI
b. NASIK
c. AURANGABAD
d. GHUM RAILWAY STATION

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Number Series

Prime Number Series:

Example 1.  4, 9, 25, 49, 121, 169,…
(a) 324 (b) 289
(c) 225 (d) 196
Solution. (b) The given series is a consecutive square of prime number series. The next prime number is 289.

Multiplication Series:

Example 2.  4, 8, 16, 32, 64… 256
(a) 96 (b) 98
(c) 86 (d) 106
Solution. (a) The numbers are multiplied by 2 to get the next number.
    64 × 2 = 128

1. Who has been appointed the first Chief of Defense Staff(CDS) of India?

a. GENERAL BIPIN RAWAT
b. GENERAL MANOJ MUKUND NARAVANE
c. GENERAL DALBIR SINGH SUHAG
d. GENERAL BIKRAM SINGH

2. Who has been given the Dadasaheb Phalke Award for year 2019?

a. Wahida Rahman
b. Naseeruddin Shah
c. Pankaj Kapur
d. Amitabh Bachchan

3. Which state was ranked first in the Sustainable Development Goals Index 2019-20?

a. Manipur
b. Andhra Pradesh
c. Kerala
d. Assam

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(Guidance Programme) Combined Higher Secondary Level [CHSL] (10+2) Exam : Classification

Alphabet Classification

In this type of classification, a group of jumbled letters, typically consisting a single or two or three or four letters are put together. The pattern or order in which they are grouped is to be identified and students need to find out which groups have the same pattern or relationship between the letters. There will be only one choice, which will have a different pattern from the rest and hence becomes the answer option.

Example 1: Find the odd one among the following.
(a) LY (b) GU
(c) DQ (d) JW
Solution. (b) Corresponding places in the first half and the second half of letters, except option (b).
Find the odd man out.
(a) AK (b) CM
(c) EP (d) DN
Solution. (c) Except EP {option (c) }, the rest has a gap of 10 letters between them.

1. Which state / union territory has approved the Electric Vehicles Policy, 2019?

a. UTTAR PRADESH
b. MADHYA PRADESH
c. DELHI
d. BIHAR

2. Assam government has recently launched Abhinandan Yojana, this new scheme is related to?

a. BANK SUBSIDY
b. GAS SUBSIDY
c. OIL SUBSIDY
d. EDUCATION SUBSIDY

3. Which two states are connected by the new train Him Darshan Express?

a. HIMACHAL PRADESH AND PUNJAB
b. PUNJAB AND HARYANA
c. HARYANA AND HIMACHAL PRADESH
d. DELHI AND UTTAR PRADESH

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