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Mathematics Time and work MCQs for Competitive Exams SET-3
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-3
गणित बहुविकल्पीय प्रश्न


Question : 1-10

Question : 1

A work which could be finished in 9 days was finished 3 days earlier after 10 more men joined. The number of men employed was?

[A].   18
[B].   20
[C].   22
[D].   24


Question : 2

A and B can together finish a work 30 days. They worked together for 20 days and then B left. After another 20 days, A finished the remaining work. In how many days A alone can finish the work?

[A].   40 days
[B].   23 days
[C].   35 days
[D].   42 days


Question : 3

A and B can complete a work in 15 days and 10 days respectively. They started doing the work together but after 2 days B had to leave and A alone completed the remaining work. The whole work was compl

[A].   8 days
[B].   10 days
[C].   12 days
[D].   15 days


Question : 4

A and B can do a piece of work in 7 days. With the help of C they finish the work in 5 days. C alone can do that piece of work in?

[A].   1 day
[B].   10 days
[C].   30 days
[D].   32 days


Question : 5

A works twice as fast as B. If B can complete a work in 12 days independently, the number of days in which A and B can together finish the work in :

[A].   4 days
[B].   6 days
[C].   8 days
[D].   18 days


Question : 6

Ravi can do a piece of work in 30 days while Prakash can do it in 40 days. In how many days will they finish it together?

[A].   17 1/7 days
[B].   27 1/7 days
[C].   23 2/7 days
[D].   16 4/11 days


Question : 7

Anil can do a work in 15 days while Sunil can do it in 25 days. How long will they take if both work together?

[A].   3 4/9 days
[B].   8 4/9 days
[C].   9 3/8 days
[D].   6 3/8 days


Question : 8

A can finish a work in 24 days, B in 9 days and C in 12 days. B and C start the work but are forced to leave after 3 days. The remaining work was done by A in

[A].   3 days
[B].   5 days
[C].   8 days
[D].   10 days


Question : 9

A does 80% of a work in 20 days. He then calls in B and they together finish the remaining work in 3 days. How long B alone would take to do the whole work?

[A].   45/2 days
[B].   55 days
[C].   65/2 days
[D].   75/2 days


Question : 10

A and B can do a piece of work in 30 days, while B and C can do the same work in 24 days and C and A in 20 days. They all work together for 10 days when B and C leave. How many days more will A take t

[A].   18 days
[B].   24 days
[C].   30 days
[D].   36 days





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