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Mathematics Time and work MCQs for Competitive Exams SET-8

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-8
गणित बहुविकल्पीय प्रश्न


Question-1 : 10

Question : 1

Anita, Indu and Geeta can do a piece of work in 18 days, 27 days and 36 days respectively. They start working together. After working for 4 days. Anita goes away and Indu leaves 7 days before the work

[A].   16 days
[B].   17 days
[C].   18 days
[D].   19 days


Question : 2

A and B can do a work in 5 days and 10 days respectively. A starts the work and B joins him after 2 days. In how many days can they complete the remaining work?

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


Question : 3

15 men take 21 days of 8 hours each to do a piece of work. How many days of 6 hours each would 21 women take to do the same. If 3 women do as much work as 2 men?

[A].   10
[B].   20
[C].   30
[D].   40


Question : 4

Two pipes X and Y can separately fill a cistern in 18 and 24 hours respectively. If they are turned on alternately for one hour each, how long will it take to fill the cistern?

[A].   20 hours 30 min
[B].   24 hours
[C].   18 hours 30 min
[D].   16 hours


Question : 5

A can do a work in 15 days and B in 20 days. If they work on it together for 4 days, then the fraction of the work that is left is

[A].   8/15
[B].   7/15
[C].   4/3
[D].   1/7


Question : 6

Some persons can do a piece of work in 12 days. Two times the number of these people will do half of that work in?

[A].   3 days
[B].   4 days
[C].   6 days
[D].   12 days


Question : 7

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


Question : 8

Some persons can do a piece of work in 12 days. Two times the number of these people will do half of that work in?

[A].   3 days
[B].   4 days
[C].   6 days
[D].   12 days


Question : 9

If 3 workers collect 48 kg of cotton in 4 days, how many kg of cotton will 9 workers collect in 2 days?

[A].   16
[B].   108
[C].   72
[D].   36


Question : 10

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





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