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# SSC CHSL (10+2) Exam Mock Test -1 "Arithmetic"

## SSC CHSL (10+2) Exam Mock Test -1 "Arithmetic"

**1. A boy was asked to multiply a certain number by 50. He
multiplied it by 30 and got his answer less than the correct one by 400. The
number to be multiplied was :**

(a) 10

(b) 20

(c) 30

(d) 40

**2. 0.6 of a number is equal to 0.08 of another number. The
ratio of the numbers will be**

(a) 3 : 4

(b) 4 : 3

(c) 2 : 15

(d) 2 : 9

**3**

(a) 125

(b) 150

(c) 175

(d) 200

**4.**

(a) Rs. 9

(b) Rs. 24

(c) Rs. 64

(d) Rs. 1,320

**5. The sum of three consecutive odd natural numbers each
divisible by 3 is 72. What is the largest among them? **

(a) 21

(b) 24

(c) 27

(d) 36

**6. If *381 is divisible by 11, then the digit at tae place of
* is **

(a) 0

(b) 1

(c) 4

(d) 7

**7. By which smallest number should 5808 be multiplied so that
it becomes a perfect square?**

(a) 2

(b) 7

(c) 11

(d) 3

## Online Coaching for SSC CHSL (10+2) Examination

## Study Kit for SSC CHSL (10+2) Exam

**8. The least number which when divided by 4, 6, 8, 12 and 16
leaves a remainder of 2 in each case is **

(a) 46

(b) 48

(c) 50

(d) 56

**9. Sum of two numbers is 40 and their product is 375. What
will be the sum of their reciprocals?**

**10. The product of the LCM and HCF of two numbers is 24. The
difference of the two numbers is 2. Find the numbers ?**

(a) 8 and 6

(b) 8 and 10

(c) 2 and 4

(d) 6 and 4 3

**11.**

**12. Two numbers differ by 5. If their product is 336, the sum
of the two numbers is **

(a) 21

(b) 28

(c) 37

(d) 51

**13. The maximum number of students among whom 1001 pens and
910 pencils can be distributed in such a way that each student gets same number
of pens and. same number of pencils, is:**

(a) 91

(b) 910

(c) 1001

(d) 1911

**14. Unit digit in (264) ^{102} + (264)^{103}
is:**

(a) 0

(b) 4

(c) 6

(d) 8

**15. Which one of the following is the least?
**

**16.**

(a) 1,200

(b) 2,400

(c) 3,000

(d) 3,200

**17. If 80% of A = 50% of B and B = x% of A, then the value of
x is:**

(a) 400

(b) 300

(c) 160

(d) 150

**18. If x is 80% of y, what percent of x is y?**

(a) 75%

(b) 80%

(c) 100%

(d) 125%

**19. In a town, the population was 8000. In one year, male
population increased by 10% and female population increased by 8% but the total
population increased by 9%. The number of males in the town was**

(a) 4000

(b) 4500

(c) 5000

(d) 6000

**20. In an examination, there were 1000 boys and 800 girls.
60% of the boys and 50% of the girls passed. Find the percent of the candidates
failed?**

(a) 46.4

(b) 48.4

(c) 44.4

(d) 49.6

**21. If A exceeds B by 40%, B is less than C by 20%, then A C
is,:**

(a) 28 : 25

(b) 26 : 25

(c) 3 : 2

(d) 3 : 1

**22. Price of sugar rises by 20%. By how much percent should
the consumption of sugar be reduced so that the expenditure does not change?
**

**23. In a school 70% of the students are girls. The number of
boys are 510. Then the total number of students in the school is**

(a) 850

(b) 1700

(c) 1830

(d) 1900

**24. Applied to a bill for Rs. 1,00,000 the difference between
a discount of 40% and two successive discounts of 36% and 4% is **

(a) Nil

(b) Rs. 1,440

(c) Rs. 2,500

(d) Rs. 4,000

**25. A tradesman marks his goods 10% above his cost price. If
he allows his customers 10% discount on the marked price, how much profit or
loss does he make, if any? **

(a) 1% gain

(b) 1% loss

(c) 5% gain

(d) No gain, no loss

**26. A discount of 15% on one article is the same as discount
of 20% on a second article. The costs of the two articles can be **

(a) Rs. 85, Rs. 60

(b) Rs. 60, Rs. 40

(c) Rs. 40, Rs. 20

(d) Rs. 80, Rs. 60

**27. An agent gets a commission of 2.5% on the sales of cloth.
If on a certain day, he gets Rs. 12.50 as commission, the cloth sold through him
on that day is worth **

(a) Rs. 250

(b) Rs. 500

(c) Rs. 750

(d) Rs. 1,250

**28. A sum of money doubles itself at compound interest in 15
years. In how many years it will become eight times? **

(a) 30

(b) 45

(c) 50

(d) 60

**29. Compound interest (compounded annually) on a certain sum
of money for 2 years at 4% per annum is Rs. 102. The simple interest on the same
sum for the same rate and for the same period will be**

(a) Rs. 99

(b) Rs. 101

(c) Rs. 100

(d) Rs. 98

**30. A sum of money becomes 6 of itself in 3 years at a
certain rate of simple interest. The rate per annum is**

**31. The simple interest on a certain sum at 5% per annum for
3 years and 4 years differ by Rs. 42. The sum is **

(a) Rs. 210

(b) Rs. 280

(c) Rs. 750

(d) Rs. 840

**32. Oranges are bought at 7 for Rs. 3. At what rate per
hundred must they be sold to gain 33%?**

(a) Rs. 56

(b) Rs. 60

(c) Rs. 58

(d) Rs. 57

**33. The cost price of 36 books is equal to the selling price
of 30 books. The gain is**

**34. A man wanted to sell an article with 20% profit; but he
actually sold at 20% loss for Rs. 480. At what price he wanted to sell it to
earn the profit?**

(a) Rs. 720

(b) Rs. 840

(c) Rs. 600

(d) Rs. 750

**35. A person sells two machines at Rs. 396 each. On one he
gains 10%/0 and on the other he loses 10%. His profit or loss in the whole
transaction is **

(a) no gain no loss

(b) 1 % loss

(c) 1% profit

(d) 8% profit

**36. A trader bought 10 kg of apples for Rs. 405 out of which
1 kg of apples were found to be rotten. If he wishes to make a profit of 10%, at
what rate should he sell the remaining apples per kg?**

(a) Rs. 45

(b) Rs. 49.50

(c) Rs. 50

(d) Rs. 51

**37. If a : b = 7 : 9 and b : c = 15 : 7, then what is a : c?
**

(a) 5 : 3

(b) 3 : 5

(c) 7 : 21

(d) 7 : 15

**38. **

(a) A, Rs. 28

(b) B, Rs. 3

(c) C, Rs. 20

(d) C, Rs. 25

**39. A and B have money in the ratio 2 : 1. If A gives Rs. 2
to B, the money will be in the ratio 1 : 1. What were the initial amounts they
had?**

(a) Rs. 12 and Rs. 6

(b) Rs. 16 and Rs. 8

(c) Rs. 8 and Rs. 4

(d) Rs. 6 and Rs. 3

**40. The incomes of A, B and C are in the ratio 3 : 7 : 4 and
their expenses in the ratio 4 : 3 : 5. If A saves Rs. 300 out of an income of Rs.
2,400, the savings of B and C are **

(a) Rs. 4.025 and Rs. 575

(b) Rs. 1.575 and Rs 2.625

(c) Rs. 2.750 and Rs. 1.525

(d) Rs. 3.725 and Rs. 1.525

**41. Find the measure of an angle which is complement of
itself.**

(a) 45°

(b) 36°

(c) 42°

(d) 35°

**42. An angle is equal to five times its supplement. Find its
measure.**

(a) 110°

(b) 140°

(c) 150°

(d) 100°

**43. The supplement of an angle is one-fourth of itself.
Determine the angle and its supplement.**

(a) 132°, 48°

(b) 156°, 24°

(c) 118°, 62°

(d) 144°, 36°

**44. Two complementary angles differ by 18°. Find the angles.**

(a) 42°, 60°

(b) 36°, 54°

(c) 24°, 66°

(d) 18°, 72°

**45. If two supplementary angles are in the ratio 1 : 5. Find
the difference of the angles.**

(a) 64°

(b) 90°

(c) 36°

(d) 70°

**46. Find the value of k, if the distance between the points
(1, 4), (k, 1) is 5.**

(a) 3 or 5

(b) –3 or 5

(c) 3 or –5

(d) None of these

**47. The points whose coordinates are (2, 2), (6, 3), (4, 11)
forms**

(a) a isosceles triangle

(b) a right angle

(c) scalene triangle

(d) an equilateral

**48. The following points A (–1, 0), B (3, 1), C (2, 2) and D
(–2, 1) taken in order form a**

(a) rectangle

(b) parallelogram

(c) square

(d) None of these

**49. Which of the following expression is a polynomial?**

**50. Which of the following expression is a polynomial in one
variable?**

(a) 3x^{2} –2y + 3

(b) –x^{2} + 6x – 5 = 0

(c) x^{2} + y^{2} = –3

(d) 2x^{2} – 2y^{-1} = 0

## ANSWERS

1. (b) 2. (c) 3. (c) 4. (b) 5. (c) 6. (d) 7. (d) 8. (c) 9. (a) 10. (d) 11. (a) 12. (c) 13.(a) 14. (a) 15. (d)

16. (b) 17. (c) 18. (d) 19. (a) 20. (c) 21. (a) 22. (c) 23. (b) 24. (b) 25. (b) 26. (d) 27. (b) 28. (b) 29. (c) 30. (a)

31. (d) 32. (d) 33. (a) 34. (a) 35. (b) 36. (b) 37. (a) 38. (d) 39. (c) 40. (a) 41. (a) 42. (c) 43. (d) 44. (b) 45. (b) 46. (b) 47. (b) 48. (b) 49. (b) 50. (b)