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Railway Express Quiz-25

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Question 1

If the areas of three adjacent faces of a rectangular box(cuboid) which meet in a corner are 12 cm2, 15 cm2 and 20 cm2 respectively. Then the volume of the box is:

Question 2

A certain number of men can complete a job in 30 days. If there were 5 men more, it could be completed in 10 days less. How many men were in the beginning?

Question 3

is equal to

Question 4

  is equal to

Question 5

The difference between the simple and compound interest on a certain sum of money for 2 years at 4% per annum is ₹ 1. Find the sum.

Question 6

Divide Rs 2,600 among A, B, C in the ratio . Find the share of each.

Question 7

If PQ and PR be the two tangents to a circle with centre O such that QPR = 120 ° then POQ is

Question 8

A train covers a distance of 10 km in 12 minutes. If its speed decreased by 5 km/hr. The time taken by it to cover the same distance will be :

Question 9

What will be the average of the following set of scores?
78, 69, 54, 21, 94, 48, 77

Question 10

Given below is the data of the ages of various children.

What is the difference between the mean and mode of the ages?

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Sep 27SSC & Railway