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Mathematics Time and work MCQs for Competitive Exams SET-4
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-4
गणित बहुविकल्पीय प्रश्न


Question : 1-10

Question : 1

A can do a piece of work in 10 days and B can do it in 15 days and C can do it 20 days. They started the work together and A leaves after 2 days and B leaves after 4 days from the beginning. How long

[A].   8 2/3 days
[B].   9 2/3 days
[C].   10 2/3 days
[D].   10 days


Question : 2

A, B and C can complete a piece of work in 24, 6 and 12 days respectively. Working together, they will complete the same work in

[A].   24/7 days
[B].   23/8 days
[C].   7/24 days
[D].   8/23 days


Question : 3

A can do a piece of work in 15 days and B in 20 days. They began the work together but 5 days before the completion of the work, A leaves. The work was completed in?

[A].   8 days
[B].   10 days
[C].   15 days
[D].   11 3/7 days


Question : 4

A is thrice as efficient as B and is, therefore, able to finish a piece of work 10 days earlier than B. In how many days A and B will finish it together?

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


Question : 5

A and B together can do a piece of work in 30 days. A having worked for 16 days, B finishes the remaining work alone in 44 days. In how many days shall B finish the whole work alone?

[A].   30 days
[B].   40 days
[C].   60 days
[D].   70 days


Question : 6

A can do a piece of work in 12 days. When he had worked for 2 days B joins him. If the complete work was finished in 8 days. In how many days B alone can finish the work?

[A].   18 days
[B].   12 days
[C].   24 days
[D].   24 days


Question : 7

A and B can do a work in 8 days, B and C can do the same work in 12 days. A, B and C together can finish it in 6 days. A and C together will do it in :

[A].   4 days
[B].   6 days
[C].   8 days
[D].   12 days


Question : 8

A can do a job in 18 days and B can do it in 30 days. A and B working together will finish twice the amount of work in ------- days?

[A].   21½ days
[B].   22½ days
[C].   23 ½days
[D].   12½ days


Question : 9

A, B and C can complete a piece of work in 24, 6 and 12 days respectively. Working together, they will complete the same work in

[A].   24/7 days
[B].   23/8 days
[C].   7/24 days
[D].   8/23 days


Question : 10

A and B together can do a work in 6 days. If A alone can do it in 15 days. In how many days can B alone do it?

[A].   10
[B].   15
[C].   12
[D].   16





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