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NUMERICAL ABILITY

1. In an urn there are 4 red balls and 3 blue balls. If two balls are drawn at random, find the probability that none is red.

(5) None of these

Solution:3

2. On annual day of a school some chocolates were to be distributed equally among 420 children. But on that particular day, due to some reason 140 more children of another school joined them; hence each child got 1 chocolate less. How many chocolates were originally supposed to be distributed among the children ?
(1) 1640
(2) 1680
(3) 1690
(4) 1600
(5) None of these

Solution:2

3. Raj Kumar got the result of his 8th class. Each subject consists of a maximum of 140 marks. If he scores 98 marks in science: 129 marks in sanskrit; 131 marks in Maths, 110 marks in English and 120 marks in Hindi, what was his percentage of marks in all the five subject ?
(1) 84%
(2) 62%
(3) 77%
(4) 79%
(5) None of these

Solution:1

4. If Suresh sells an article at a price of Rs. 9300. he incurs a loss of Rs. 3100. At what price should he sell the article so that he gets a profit of 25% ?
(1) Rs. 7250
(2) Rs. 7350
(3) Rs. 7650
(4) Rs. 7750
(5) None of these

Solution:4

5. There is a circular  ground whose area is 246400 sq. metre. If a person runs at the speed 01 14,08 m/sec, then how much time will he take to complete the circle ?
(1) 125 sec.
(2) 130 sec.
(3) 100 sec.
(4) 120 sec.
(5) None of these

Solution:1

Directions (6-10) : What should come in place of the question mark (?) in the following number series ?

6. 2  4  16  96  768  ?  92160
(1) 7680
(2) 7580
(3) 7608
(4) 7090
(5) 7860

Solution:1

7. 14  36  ?  300  894  2676  8022
(1) 101
(2) 102
(3) 103
(4) 104
(5) None of these

Solution:2

8. 5  8  13  20  ?  44  61
(1) 29
(2) 30
(3) 31
(4) 32
(5) 37

Solution:3

9. 11  16  31  56  91  136 ?
(1) 171
(2) 181
(3) 185
(4) 191
(5) 197

Solution:4

10. 3  4  12  45  196  ?
(1) 985
(2) 990
(3) 995
(4) 1000
(5) 1005

Solution:5

1. The simple interest accrued in 2 years on a principal of Rs. 24000 is one-eighth of the principal. What is the rate of simple interest p.c.p.a. ?
(1) 5
(2) 4.5
(3) 6.25
(4) 7.25
(5) None of these

Solution:3

2. If a person runs 14.35 km in five weeks, then what distance does he travel everyday ?
(1) 400 m
(2) 410 rn
(3) 405 m
(4) 415 m
(5) None of these

Solution:2

3. If a train 280 metre long runs at the speed of 7.4 m/second, how much time will it take to cross a platform 460 metre long’
(1) 95 sec.
(2) 96 sec.
(3) 98 sec.
(4) 99 sec.
(5) 100 sec.

Solution:5

4. If a trader sells his stock of oranges at Rs. 18270. he gains 45 per cent. What is the cost price of total stock of oranges ?
(1) Rs. 12600
(2) Rs. 13600
(3) Rs, 12650
(4) Rs. 13650
(5) None of these

Solution:1

5. If the numerator of a fraction is increased by 20% and its denominator by 25%, then the fraction so obtained is 3/5. What is the original fraction ?

(5) None of these

Solution:3

Directions (16-25) : What will ome in place of the question mark (?) n the following questions ?

6. (5) None of these

Solution:1

7. 4 × 566 ÷ 5 + 24.2 – 36 = (?)2
(1) 20
(2) 21
(3) 22
(4) 23
(5) 25

Solution:2

8. 5252 + 2525 = ? × 25
(1) 310.8
(2) 311.8
(3) 311.08
(4) 312.8
(5) 312.08

Solution:3

9.  8 × ? 4888 + 4
(1) 150.75
(2) 125.75
(3) 125.05
(4) 152.75
(5) None of these

Solution:4

10. 39254 + 5217 – 2286 = ? × 50
(1) 813.7
(2) 843.7
(3) 834.7
(4) 943.77
(5) None of these

Solution:2

1. (62.5 × 14 × 5) ÷ 25 + 41 = (?)3
(1) 4
(2) 5
(3) 9
(4) 8
(5) 6

Solution:5

2. (23 × 23 × 23 × 23 × 23 × 23)5 × (23 × 23)2 ÷ (23)2 = (23)?
(1) 32
(2) 30
(3) 9
(4) 7
(5) 11

Solution:1

3. 27% of 510 + ? = 266.3
(1) 182.6
(2) 122.6
(3) 123.6
(4) 128.6
(5) None of these

Solution:4

4. (1) 1080
(2) 1008
(3) 1800
(4) 40√3
(5) 168√6

Solution:2

5. (1) 42
(2) 43
(3) 39
(4) 37
(5) None of these

Solution:4

6. A car covers a distance from town A to town B at the speed of 58 kmph and covers the distance from town B to town A at the speed of 52 kmph What is the approximate average speed of the car ?
(1) 55 kmph
(2) 52 kmph
(3) 48 kmph
(4) 50 kmph
(5) 60 kmph

Solution:1
(1) If two equal distances are covered at two different speeds of x kmph and y kmph, then

7. Mr. Phanse invests an amount of Rs. 24,200 at the rate of 4 p.c.p.a. for 6 years to obtain a simple interest. Later he invests the principal amount as well as the amount obtained as simple interest for another 4 years at the same rate of interest. What amount of simple interest will he obtain at the end of the last 4 years ?
(1) Rs. 4,800
(2) Rs. 4,850.32
(3) Rs. 4,801.28
(4) Rs. 4,700
(5) None of these

Solution:3

8. In a sale, perfumes are available at a discount of 25% on the selling price. If a perfume costs Rs. 5,895 in the sale, what is the selling price of the perfume ?
(1) Rs. 6.020
(2) Rs. 7,860
(3) Rs. 7,680
(4) Cannot be determined
(5) None of these

Solution:2

9. What approximate value should come in place of the question mark (?) in the following question?

(1) 294
(2) 276
(3) 265
(4) 300
(5) 288

Solution:5

10. The cost of 15 digital cameras and 21 handy cameras is Rs. 3,54,900. What is the cost of 5 digital cameras and 7 handy cameras ?
(1) Rs. 1,25.500
(2) Rs. 1,18.300
(3) Rs. 2.15:100
(4) Cannot be determined
(5) None of these

Solution:2

11. A canteen requires 56 kgs. of rice for seven days. How many kgs. of rice will it require for the months of April and May together ?
(1) 496
(‘2) 480
(3) 498
(4) 488
(5) None of these

Solution:4

12. How much part of a day is 45 minutes ?

(5) None of these

Solution:3

13. The total number of students in a school is 31700. If the ratio of boys to the girls in the school is 743 : 842 respectively, what is the total number of girls in the school ?
(1) 14860
(2) 16480
(3) 15340
(4) Cannot be determined
(5) None of these

Solution:5

14. The sum of five consecutive even numbers A. B, C. D and E is 130. What is the product of A and E ?
(1) 720
(2) 616
(3) 660
(4) 672
(5) None of these

Solution:3

15. If the square of a number is subtracted from 4052 and the difference is multiplied by 15, the answer so obtained is 41340. What is the number ?
(1) 36
(2) 1024
(3) 32
(4) 1296
(5) None of these

Solution:1

16. 20% of the total cost of a plot with an area of 395 sq.ft. is Rs. 78,210. What is the rate of per sq. ft. of the plot ?
(1) Rs. 1,020/-
(2) Rs. 999/1
(3) Rs. 1,000/-
(4) Rs. 995/-
(5) None of these

Solution:5

17. The owner of a furniture shop charges his customers 15% more than the cost price. If a customer paid Rs. 9,039/- for a sofa! set, then what is the cost price of the sofa set ?
(1) Rs. 7,680/-
(2) Rs.7,860/-
(3) Rs. 7,880/-
(4) Rs. 7.660/-
(5) None of these

Solution:2

18. Each child from a certain school can make 5 items of handicraft in a clay. If 1125 handicraft items are to be displayed in an exhibition then in how many days can 25 children make these items ?
(1) 6 days
(2) 9 days
(3) 8 days
(4) 7 days
(5) None of these

Solution:2

19. The product of two successive positive integers is 462. Which is the smaller integer ?
(1) 20
(2) 22
(3) 21
(4) 23
(5) None of these

Solution:3

20. While withdrawing an amount of Rs. 49,350/- a customer by mistake collects Rs. 48.150/-. The remaining amount is deposited back to his account by the bank, which shows the balance of Rs. 25.376/ -. What will be the customer’s balance after depositing the remaining amount ?
(1) Rs. 26,576/-
(2) Rs. 26,676/-
(3) Rs. 26,586/-
(4) Rs. 26,686/-
(5) None of these