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Frequently Asked Exam Math Questions and Answer Page 8620

(#M40020652) EXAM QUESTION time and work Keep an EYE

A pump can be used either to fill or to empty a tank. The capacity of the tank is 3600m3. The emptying capacity of the pump is 10m3/min higher than its filling capacity. What is the emptying capacity of the pump if the pump needs 12 more minutes to fill the tank than to empty it?

A.

10
m3
min

B.

60
m3
min

C.

45
m3
min

D.

90
m3
min

Asked In exam MAN (12 years ago)

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(#M40020639) EXAM QUESTION time and work Keep an EYE

To complete a piece of work A and B take 8 days, B and C 12 days. A, B and C take 6 days. A and C will take :

A.

7 Days

B.

7.5 Days

C.

8 Days

D.

8.5 Days

Asked In exam MAN (12 years ago)

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(#M40020638) EXAM QUESTION time and work Keep an EYE

A can do piece of work in 30 days while B alone can do it in 40 days. In how many days can A and B working together do it?

A.

16
1
7

B.

17
1
7

C.

18
1
7

D.

19
1
7

Asked In exam MAN (12 years ago)

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(#M40020624) EXAM QUESTION time,speed Keep an EYE

In an industry, the raw materials and the finished goods are transported on the conveyor belt. There are two conveyor belt, one for carrying parts from P to point Q and another for carrying parts from R to point Q. P, Q and R in that order are in a straight line. Sometimes, the belt serves to transport cart, which can themselves move with respect to the belts. The two belts move at a speed of 0.5 m/s and the cart move at a uniform speed of 2m/s with respect to the belts. A cart goes from point P to R and back to P taking a total of 64s. Find the distance PR in meters. Assume that the time taken by the cart to turn back at R is negligible?

A.

48

B.

54

C.

60

D.

64

Asked In exam MAN (12 years ago)

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(#M40020622) EXAM QUESTION time,speed Keep an EYE

In a 3600 m race around a circular track of length 400m, the faster runner and the slowest runner meet at the end of the fourth minute, for the first time after the start of the race. All the runners maintain uniform speed throughout the race. If the faster runner runs at thrice the speed of the slowest runner. Find the time taken by the faster runner to finish the race.

A.

36 minute

B.

24 minute

C.

16 minute

D.

12 minute

Asked In exam MAN (12 years ago)

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(#M40020614) EXAM QUESTION time,speed Keep an EYE

Three friends A, B and C run around a circular track of length 120 metres at speeds of 5 m/s, 7 m/sec and 15 m/sec, starting simultaneously from the same point and in the same direction. How often will the three of them meet?

A.

Every 60 seconds

B.

Every 120 seconds

C.

Every 30 seconds

D.

None of these

Asked In exam MAN (12 years ago)

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(#M40020612) EXAM QUESTION time,speed Keep an EYE

Dexter and Prexter are competing with each other in a friendly community competition in a pool of 50m length and the race is for 1000m. Dexter crosses 50m in 2 min and Prexter in 3 min 15 sec. Each time they meet/cross each other, they do handshake's. How many such handshake's will happen if they start from the same end at the same time?

A.

18

B.

19

C.

20

D.

17

Asked In exam MAN (12 years ago)

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(#M40020609) EXAM QUESTION time,speed Keep an EYE

If a man cycles at 10 km/hr, then he arrives at a certain place at 1 p.m. If he cycles at 15 km/hr, he will arrive at the same place at 11 a.m. At what speed must he cycle to get there at noon?

A.

11 km/hr

B.

12 km/hr

C.

13 km/hr

D.

14 km/hr

Asked In exam MAN (12 years ago)

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(#M40020593) EXAM QUESTION time,speed Keep an EYE

Distance between the points is P. A man with the speed of s and reaches the other point late by 2 hours. Calculated the speed with which the man has to travel to reach in time, where t is the actual time.

A.

S×(t+1)
(t+2)

B.

s×t
(t+2)

C.

s×(t+2)
t

D.

s×
t
(t+1)

Asked In exam MAN (12 years ago)

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(#M40020580) EXAM QUESTION time,speed Keep an EYE

Walking at 3/4 of his usual place, a man reaches his office 20 minute late. Find his usual time?

A.

2 hr

B.

1 hr

C.

3 hr

D.

1.5 hr

Asked In exam MAN (12 years ago)

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