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Mathematics Time and work MCQs for Competitive Exams SET-7
Mathematics multiple choice questions (MCQs) For all competitive exams

Mathematics MCQs for Competitive Exams
गणित बहुविकल्पीय प्रश्न

Welcome to our exclusive collections of Mathematics multiple choice questions with answers. Mathematics is the Science of space, numbers magnitude, and measurement. Mathematics involves the conversion of abstract concepts into concrete form. Mathematics helps to develop the habit of self-confidence and self-reliance in children. It gives accurate and reliable knowledge. Thus, on the basis of above points, we can understand the nature of mathematics and draw the conclusion that the structure of mathematics is indeed the basis of its nature and is more strong as compared to the other school subjects. That is why its study is essential in school education.

Mathematics Time and work MCQs for Competitive Exams SET-7
गणित बहुविकल्पीय प्रश्न


Question : 1-10

Question : 1

A can do a piece of work in 20 days. B in 15 days A and C in 12 days. In how many days can A finish the work if he is assisted by B on one day and C on the next, alternately?

[A].   10
[B].   8
[C].   6
[D].   4


Question : 2

A, B and C can do a piece of work in 20, 30 and 60 days respectively. In how many days can A do the work if he is assisted by B and C on every third day?

[A].   10 days
[B].   15 days
[C].   20 days
[D].   5 days


Question : 3

A and B can do a piece of work in 8 days. B and C can do it in 12 days and A and C in 16 days. Working together they will complete the work in how many days?

[A].   14.76 days
[B].   12.2 days
[C].   9.48 days
[D].   7.38 days


Question : 4

Two men and three women working 7 hours a day finish a work in 5 days. Four men and four women working 3 hours a day complete the work in 7 days. The number of days in which only 7 men working 4 hours

[A].   5 days
[B].   6 days
[C].   7 days
[D].   10 days


Question : 5

A can do a half of certain work in 70 days and B one third of the same in 35 days. They together will do the whole work in.

[A].   420 days
[B].   120 days
[C].   105 days
[D].   60 days


Question : 6

If 12 men and 16 boys can do a piece of work in 5 days and 13 men together will 24 boys can do it in 4 days. Compare the daily work done by a man with that of a boy.

[A].   4:3
[B].   2:1
[C].   1:2
[D].   2:5


Question : 7

A can do a certain work in the same time in which B and C together can do it. If A and B together could do it in 10 days and C alone in 50 days, then B alone could do it in

[A].   10 days
[B].   15 days
[C].   20 days
[D].   25 days


Question : 8

A can do half the work in one day where as B can do it full. B can also do half the work of C in one day. Ratio in their efficiency will be?

[A].   4:2:1
[B].   2:4:1
[C].   2:1:4
[D].   1:2:4


Question : 9

( A can do a piece of work in 12 days. He worked for 15 days and then B completed the remaining work in 10 days. Both of them together will finish it in.

[A].   12 1/2 days
[B].   25 days
[C].   6 days
[D].   12 days


Question : 10

A is twice as good a workman as B and they took 7 days together to do the work B alone can do it in.

[A].   12 days
[B].   18 days
[C].   21 days
[D].   27 days





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