1. The sum of ages of 5 children born at the intervals of 3
years each is 50 years. What is the age of the youngest child?
A.4 years
B.8 years
C.10 years
D.NOTA
2. A person's present age is two-fifth of the age of
his mother. After 8 years, he will be one-half of the age of his mother. How
old is the mother at present?
A.32 years
B.36 years
C.40 years
3. Six years ago, the ratio of the ages of Kunal and
Sagar was 6 : 5. Four years hence, the ratio of their ages will be 11 : 10.
What is Sagar's age at present?
A.16 years
B.15 years
C.20 years
D.NOTA
4. The least number which when divided by 5, 6 , 7
and 8 leaves a remainder 3, but when divided by 9 leaves no remainder, is:
A.1617
B.1683
C.2523
D.3366
5. If the number 42573 * is exactly divisible by 72,
then the minimum value of * is:
A.4
B.5
C.6
D.7
6. Two numbers are in the ratio of 11 : 13 . If the
H.C.F of these numbers is 19, determine the numbers
A.304,369
B.209,247
C.182,199
D.182,122
7. A train 800 metres long is running at a speed of
78 km/hr. If it crosses a tunnel in 1 minute, then the length of the tunnel (in
meters) is:
A.130
B.360
C.500
D.540
8. Two trains running in opposite directions cross a
man standing on the platform in 27 seconds and 17 seconds respectively and they
cross each other in 23 seconds. The ratio of their speeds is:
A. 2:3
B. 4:3
C. 6:7
D. 9:16
9. Three companies are working independently and
receiving the savings 20%, 30%, 40%. If the companies work combinely, what will
be their net savings?
A.20
B.30
C.40
D.50
10. Abu invested an amount of Rs. 8000 in a fixed
deposit scheme for 2 years at compound interest rate 5p.c.p.a. How much amount
will Abu get on maturity of the fixed deposit?
A. Rs 8600
B. Rs 8620
C. Rs 8820
D. Rs 8900
11. The ratio of the number of boys and girls in a
college is 7 : 8. If the percentage increase in the number of boys and girls be
20% and 10% respectively, what will be the new ratio?
A.8:9
B.17:18
C.21:22
D.23:24
12. The sum of three numbers is 98. If the ratio of
the first to second is 2 :3 and that of the second to the third is 5 : 8, then
the second number is:
A.20
B.30
C.48
D.58
13. Susan can type 10 pages in 5 minutes. Mary can
type 5 pages in 10 minutes. Working together, how many pages can they type in
30 minutes?
A.15
B.20
C.25
D.75
14. A and B weave a carpet in 10 days and 15 days
respectively. They begin to work together but B leaves after 2 days. In what
time will A complete the remaining work?
A.7
B.8
C.19/3
D.20/3
15. A tank is filled in 5 hours by three pipes A, B
and C. The pipe C is twice as fast as B and B is twice as fast as A. How much
time will pipe A alone take to fill the tank?
A. 20 hours
B. 25 hours
C. 35 hours
D. NOTA
16. The population of a town was 3600 three years
back. It is 4800 right now. What will be the population three years down the
line, if the rate of growth of population has been constant over the years and
has been compounding annually?
A.6000
B.6400
C.7200
D.9600
17. A certain sum becomes 8 times itself in 3 years
under compound interest, interest being compounded annually. How many years
would the sum takes to become 64 times itself?
A.12
B.8
C.6
D.3
18. Speed of a boat in standing water is 9 kmph and
the speed of the stream is 1.5 kmph. A man rows to a place at a distance of 105
km and comes back to the starting point. The total time taken by him is:
A.16
B.18
C.20
D.24
19. If a boat is moving in upstream with velocity of
14 km/hr and goes downstream with a velocity of 40 km/hr, then what is the
speed of the stream ?
A.13 km/hr
B. 26 km/hr
C. 34 km/hr
D. 40 km/hr
20. A boat takes 90 minutes less to travel 36 miles
downstream than to travel the same distance upstream. If the speed of the boat
in still water is 10 mph, the speed of the stream is:
A.2
B.2.5
C.3
D.4
Answer Key:
1. A 2. C 3.
A 4.B 5.C 6.B 7.C 8.B 9.B 10.C 11.C 12.B 13.D 14.D 15.C 16.B 17.C 18.D 19.A 20.A
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