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EXAM Math Questions and Answer Page 8615

(#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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(#M40020608) EXAM QUESTION time,speed Keep an EYE

Two cities, A and B, at a distance of 50 km, are connected by two separate roads. The speed of any vehicle traveling between the two cities on road 1 is 50 km/hr, while the speed on road 2 is (80/n) km/hr, where n is the number of vehicles (including the concerned vehicle). If you travel in a vehicle from A to B on road 1 and come back from B to A on road 2 (where there are already three vehicles plying), your approximate average speed is:

A.

26 km/hr

B.

29 km/hr

C.

32 km/hr

D.

35 km/hr

Asked In exam MAN (12 years ago)

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(#M40020607) EXAM QUESTION time,speed Keep an EYE

A train left station X at A hour B minutes. It reached station Y at B hour C minutes on the same day, after travelling C hours A minutes (clock shows time from 0 hours to 24 hours). Number of possible value(s) of A is:

A.

0

B.

1

C.

2

D.

3

Asked In exam MAN (12 years ago)

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(#M40020606) EXAM QUESTION time,speed Keep an EYE

A boat goes 30 km. upstream and 44 km. downstream in 10 hours. In 13 hours, it can go 40 km upstream and 55 km down-stream. The speed of the boat in still water is:

A.

3 km/hr

B.

4 km/hr

C.

8 km/hr

D.

6 km/hr

Asked In exam MAN (12 years ago)

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(#M40020605) EXAM QUESTION time,speed Keep an EYE

A man jogging inside a railway tunnel at a constant speed hears a train approaching the tunnel from behind at a speed of 30km/h, when he is one third of the way inside the tunnel. Whether he keeps running forward or turns back, he will reach the end of the tunnel at the same time the train reaches that end. The speed at which the man is running is:

A.

6 km/hr

B.

8 km/hr

C.

12 km/hr

D.

10 km/hr

Asked In exam MAN (12 years ago)

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(#M40020604) EXAM QUESTION time,speed Keep an EYE

A ball is projected vertically up-wards reaches, at the end of 't' seconds, an elevation of 's' feet where s=160t−16t2. The highest elevation is

A.

800

B.

640


C.

400

D.

320

Asked In exam MAN (12 years ago)

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(#M40020602) EXAM QUESTION time,speed Keep an EYE

In a kilometer race, If Abhishek gives Bharti a 40m start, Abhishek wins by 19sec. But if Abhishek gives Bharti a 30 sec start, Bharti wins by 40 m. Find the time taken by Bharti to run 5,000m?

A.

150 sec

B.

450 sec

C.

750 sec

D.

825 sec

Asked In exam MAN (12 years ago)

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(#M40020600) EXAM QUESTION time,speed Keep an EYE

A bus overtakes two boys who are walking in the direction of the bus at 2 km/hr and 4 km/hr in 9 sec and 10sec respectively. The length of the bus and its speed are:

A.

50m and
55
9
m/s

B.

80m and
88
9
m/s

C.

70m and
77
9
m/s

D.

60m and
66
9
m/s

Asked In exam MAN (12 years ago)

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(#M40020598) EXAM QUESTION time,speed Keep an EYE

Two boats, traveling at 5 and 10 kms per hour, head directly towards each other. They begin at a distance of 20 kms from each other. How far apart are they (in kms) one minute before they collide?

A.

1
12

B.

1
6

C.

1
4

D.

1
3

Asked In exam MAN (12 years ago)

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(#M40020597) EXAM QUESTION time,speed Keep an EYE

Starting from my office, I reach the house 20 min late if I walk at 3kmph. Instead, if I walk at 4kmph, I reach the house 15 min early. How far is my house from my office?

A.

4 km

B.

5 km

C.

7 km

D.

6 km

Asked In exam MAN (12 years ago)

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