Delhi Police Constables (Executive) Exam : Held on 07-Dec-2017 Shift-1 (Numerical Ability)

Delhi Police Constables (Executive) Exam : Held on 07-Dec-2017 Shift-1

(Numerical Ability)

QID : 86 - The sum of a positive number and its cube is 10. What is the value of the number?

Options:
1) 1
2) 2
3) 3
4) 4
Correct Answer: 2

QID : 87 - What is the value of 13 + 23 + …… 93?

Options:
1) 2025
2) 3075
3) 1575
4) 1975
Correct Answer: 2025

QID : 88 -

Options:
1) 10/11
2) 7/11
3) 21/11
4) 12/11
Correct Answer: 21/11

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QID : 89 - What is the Highest Common Factor of 14, 42 and 84?

Options:
1) 2
2) 7
3) 14
4) 1
Correct Answer: 14

QID : 90 -

Options:
1) 0.22
2) 2.22
3) 2.32
4) 2.42
Correct Answer: 2.32

QID : 91 - If 80% of P = 2/5 of Q, then what is P : Q?

Options:
1) 2 : 1
2) 1 : 2
3) 1 : 4
4) 4 : 1
Correct Answer: 1 : 2

QID : 92 - The annual income of Rahul and Mohit are in the ratio 17 : 12 and the ratio of their expenditure is 5 : 3. If each of them saves Rs 9000 yearly, then what will be the annual income (in Rs) of Mohit?

Options:
1) 24000
2) 21000
3) 22400
4) 34000
Correct Answer: 24000

QID : 93 - 12 persons have Rs 49 on an average. If a person with Rs 55.5 join them, then what will be the new average (in Rs)?

Options:
1) 49.5
2) 50
3) 49.75
4) 50.25
Correct Answer: 49.5

QID : 94 - What will be the simple interest (in Rs) on a sum of Rs 4000 for 6 years at the rate of 8% per annum?

Options:
1) 2020
2) 1920
3) 2080
4) 1860
Correct Answer: 1920

QID : 95 - Vyom purchased 30 dozen pens at the rate Rs 48 per dozen. He sold 10 dozen at 20% profit and the remaining 20 dozen at 10% profit. What is his profit percentage?

Options:
1) 13.33
2) 15.17
3) 25
4) 20
Correct Answer: 13.33

QID : 96 - The cost price of an article is 64% of the marked price. What will be the gain percentage after allowing a discount of 12% on the marked price?

Options:
1) 25
2) 37.5
3) 33.33
4) 40
Correct Answer: 37.5

QID : 97 - The ratio of the outer and the inner perimeter of a circular path is 14 : 11. If path is 15 meters wide, then what is the radius (in metres) of the inner circle?

Options:
1) 70
2) 33
3) 35
4) 55
Correct Answer: 55

QID : 98 - A boat covers 20 km upstream and 40 km downstream distance in 4 hours, while it covers 70 km upstream and 60 km downstream distance in 10 hours. What is the speed (in km/hr) of the current?

Options:
1) 10
2) 15
3) 5
4) 12.5
Correct Answer: 5

QID : 99 - P started a business by investing Rs 60000. After 4 months Q joined the business by investing Rs 80000. After 4 more months, R joined the business by investing Rs 100000. What will be the ratio of profits of P, Q and R at end of 2 years?

Options:
1) 9 : 11 : 10
2) 9 : 12 : 10
3) 12 : 14 : 15
4) 9 : 10 : 10
Correct Answer: 9 : 10 : 10

QID : 100 - S and V can do a work in 12 days. M and S can do the same work in 16 days. M and V can do the same work in 24 days. In how many days S, V and M together can complete the same work?

Options:
1) 32/3
2) 10
3) 16/3
4) 11
Correct Answer: 32/3

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Delhi Police Constables (Executive) Exam : Held on 07-Dec-2017 Shift-1 (Numerical Ability)