• Placement Questions
• /
• EXAM

EXAM Math Questions and Answer Page 8614

(#M40020625) EXAM QUESTION time,speed Keep an EYE

P and Q travels from D to A and break journey at M in between. Somewhere between D and M, P asks "how far have we travelled?" Q replies, "Half as far as the distance from here to M". Somewhere between M and A, exactly 300km from the point where P asks the first question, "How far have we to go?" Q replies, "Half as far as the distance from M to here". The distance between D and A is:

A.

250 km

B.

350 km

C.

450 km

D.

500 km

Asked In exam MAN (12 years ago)

Unsolved Read Solution (1)

Is this Puzzle helpful?   (0)   (0) Submit Your Solution

(#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)

Unsolved

Is this Puzzle helpful?   (0)   (0) Submit Your Solution

(#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)

Unsolved

Is this Puzzle helpful?   (0)   (5) Submit Your Solution Spotting Errors

(#M40020620) EXAM QUESTION time,speed Keep an EYE

The XYZ river flows at 12 km/hr. A boy who can row at
25
18
m/s in still water had to cross it in the least possible time. The distance covered by the boy is how many times the width of the river XYZ?

A.

2.1

B.

2.3

C.

2.6

D.

2.9

Asked In exam MAN (12 years ago)

Unsolved Read Solution (1)

Is this Puzzle helpful?   (6)   (5) Submit Your Solution

(#M40020619) EXAM QUESTION time,speed Keep an EYE

Two motorists Anil and Sunil are practicing with two different sports car; Ferrari and Maclarun, on the circular racing track, for the car racing tournament to be held next month. Both Anil and Sunil start from the same point on the circular track. Anil completes one round of the track in 1 min and Sunil takes 2 min to complete a round. While Anil maintains speed for all the rounds, Sunil halves his speed after the completion of each round. How many times Anil and Sunil will meet between 6th round and 9th round of Sunil (6th and 9th round is excluded)? Assume that the speed of Sunil remains steady throughout each round and changes only after the completion of that round.

A.

382

B.

347

C.

260

D.

None of these

Asked In exam MAN (12 years ago)

Unsolved Read Solution (1)

Is this Puzzle helpful?   (1)   (1) Submit Your Solution

(#M40020618) EXAM QUESTION time,speed Keep an EYE

Twenty six men - 1,2,3,....25 and 26 participate in 10km running race on a circular track of length 100m. All of them start at the same time, from the same point and run in the same direction. Their speeds, taken in the order, are in increasing AP. The time taken by 26 to meet 1, for the first time after they start is 20 sec and the time taken by 13 to complete the race is 52 minutes and 5 seconds. Find the time taken (in seconds), for all the twenty six men to meet for the first time at the starting point.

A.

1000

B.

500

C.

625

D.

400

Asked In exam MAN (12 years ago)

Unsolved

Is this Puzzle helpful?   (6)   (2) Submit Your Solution

(#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)

Unsolved

Is this Puzzle helpful?   (0)   (1) Submit Your Solution

(#M40020613) EXAM QUESTION time,speed Keep an EYE

.

A ball is thrown twice from a place with the gap of 34 minutes between the two shots. A person approaching this point in a bus heard the second shot 33 minutes after he heard the first shot. What is the speed of bus (in kmph) if sound travels at 330 m/s?

A.

30

B.

33

C.

36

D.

42

Asked In exam MAN (12 years ago)

Unsolved

Is this Puzzle helpful?   (1)   (1) Submit Your Solution

(#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)

Unsolved

Is this Puzzle helpful?   (1)   (1) Submit Your Solution

(#M40020610) EXAM QUESTION time,speed Keep an EYE

The Ghaziabad-Hapur-Meerut EMU and the Meerut-Hapur-Ghaziabad EMU start at the same time from Ghaziabad and Meerut and proceed towards each other at 16 km/hr and 21 km/hr respectively. When they meet, it is found that one train has travelled 60 km more than the other. The distance between two stations is:

A.

445 km

B.

444 km

C.

440 km

D.

450 km

Asked In exam MAN (12 years ago)

Unsolved

Is this Puzzle helpful?   (5)   (0) Submit Your Solution