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self Numerical Ability - Time Distance and Speed Math Questions and Answer

(#M40034689) SELF QUESTION maths Keep an EYE

At noon, ship A is 100km west of ship B. Ship A is sailing east at 35 km/hr and ship B is sailing north at 25km/hr. How fast is the distance between the ships changing at 4.00pm.

kanimozhi (6 years ago)

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(#M40034264) SELF QUESTION river Keep an EYE

A bridge has to be crossed. only 2 persons can cross it at a time because only 1 torch is available which is necessary to cross it. there are 4 peoply named acc. to the time they take to cross i..e 1,2,5 and 10 (they take the time in sec).what minimum time will they take to cross the bridge ??

PARVY GOVIL (6 years ago)

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(#M40033091) SELF QUESTION time and work Keep an EYE

atik can finish a job in 100 days. pratik can finish the same job in 120 days. both work for 30 days after that manish joined them. they were able to finish the job in 30 days. in how many days manish can finish the work alone

Ayush Rastogi (7 years ago)

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(#M40031356) SELF QUESTION train Keep an EYE

Q. Two trains move from station A ans station B towards each other at speed of 50km/hr and 60km/hr. at meeting point the driver of the second train felt that the train has covered 120km more. What is the distance between A and B?

anshu vij (7 years ago)

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(#M40030795) SELF QUESTION Keep an EYE

What is the length of a running train crossing another 180 metre long train running in the opposite direction?

I.

The relative speed of the two trains was 150 kmph.

II.

The trains took 9 seconds to cross each other.

A. I alone sufficient while II alone not sufficient to answer
B. II alone sufficient while I alone not sufficient to answer
C. Either I or II alone sufficient to answer
D. Both I and II are not sufficient to answer
E. Both I and II are necessary to answer

Dinesh thatti (7 years ago)

Unsolved

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(#M40030794) SELF QUESTION Keep an EYE

What is the speed of the train whose length is 210 metres?

I.

The train crosses another train (Howrah Express/12869) of 300 metres length running in opposite direction in 10 seconds.

II.

The train crosses another train (Howrah Express/12869) running in the same direction at the speed of 60 km/hr in 30 seconds.


A. I alone sufficient while II alone not sufficient to answer
B. II alone sufficient while I alone not sufficient to answer
C. Either I or II alone sufficient to answer
D. Both I and II are not sufficient to answer
E. Both I and II are necessary to answer

Dinesh thatti (7 years ago)

Unsolved

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(#M40026437) SELF QUESTION time speed and distance Keep an EYE

A boat sails downstream from point a to ponit b, which is 10 km away from a, and then returns to a. If the actual speed of the boat is 3 km/h, the trip from a to b takes 8 hours less then that of b to a. What must the actual speed of the boat for the trip from a to b to take exactly 100 minutes?

PRIYA NAMDEO (7 years ago)

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(#M40020901) SELF QUESTION Keep an EYE

A train left station A for station B at a certain speed. After travelling for 100 km, the train meets with an accident and could travel at 45th of the original speed and reaches 45 minutes late at station B. Had the accident taken place 50 km further on, it would have reached 30 minutes late at station B. What is the distance between station A and B?

vikash singh (7 years ago)

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(#M40020894) SELF QUESTION Keep an EYE

Amar and balu as a warm up exercise are jogging on a circular track. Balu is a better athelete and jogs at 18 km/hr, while Amar jogs at 9 km/hr. The circumference of the track is 500 m. They start from the same point and in the same direction. When will they be together again for the first time?

vikash singh (7 years ago)

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(#M40020880) SELF QUESTION Keep an EYE

Tom, Dick and Harry are the contestants in a race in a km. race. If Tom can give Dick a start of 40 meters and Tom can give Harry a start of 64 meters, How many meters can Dick give harry?

vikash singh (7 years ago)

Unsolved

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