Subject Category > Economics

Q. A boy goes from home to school at the rate of 3 km./hr. and come back from school to home at the speed of 2 km./hr. If he takes five hours in coming and going, then what is the distance between home and school?

A) 9 km

B) 6 km

C) 5 km

D) 8 km

✔ 6 km

Additional Information > Exam point of View

Let the distance between home and school be x km. The time taken to go is x/3, and the time to return is x/2. Total time is x/3 + x/2 = 5. Solving this, x = 6 km. Hence, the distance is 6 km.

Asked Question

Q 1.A man rows a boat at the speed of 6 km./hr. in still water. When the river flows with the speed 1.2 km./hr, then it takes 1 hour for the man to row from one place to another. How far is that place?

Right Answer : 2.88 km

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Q 2.Find out the area of a triangle whose sides are 50m., 78m., and 112m.?

Right Answer : 1680 sq.m

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Q 3.If the length of a rectangle is reduced by 20%, then by what percent should its width be increased so that the area does not increase?

Right Answer : 25%

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Q 4.A train 110 metres long is travelling at the speed of 60 km. per hr. How long will it take to cross a man walking in the direction opposite to the train, at the speed of 6 km./hr.?

Right Answer : 6 seconds

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Q 5.35, 24, 15, 8……………….

Right Answer : 3

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Q 6.6 days from today, it will be 20th of the month, then what was the date/day before yesterday?

Right Answer : 12th

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Q 7.If in a code language SYSTEM is written as SYSMET and NEARER is written as AENRER, then how will FRACTION be written?

Right Answer : CARFNOIT

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Q 8.If by reducing 7 from a number, we get square of 9, then what will be smallest number?

Right Answer : 88

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Q 9.Given below are four words for each question, only one of which is correctly spelt. Choose the correct one.

Right Answer : Cassette

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Q 10.Authority ……….. when it is not supported by the moral purity of its user. (Fill in the Blank))

Right Answer : crumbles

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