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Mathematics Time and work MCQs for Competitive Exams SET-9
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-9
गणित बहुविकल्पीय प्रश्न


Question : 1-10

Question : 1

A and B can do a work in 18 day, B and C in 30 days, A and C in 22 (1/2) days. In how many days can A,B and C individually do the work?

[A].   30,45,60
[B].   60,45,90
[C].   45,60,90
[D].   None of these


Question : 2

A and B can do a work in 12 days, B and C in 30 days and C and A in 36 days. In how many days will the work be completed, if all three of them work together?

[A].   160/11 days
[B].   125/14 days
[C].   180/13 days
[D].   120/11 days


Question : 3

A and B can do a work in 4 hours and 12 hours respectively. A starts the work at 6AM and they work alternately for one hour each. When will the work be completed?

[A].   4 days
[B].   7 days
[C].   5 days
[D].   6 days


Question : 4

P is three times as fast as Q and working together, they can complete a work in 12 days. In how many days can Q alone complete the work?

[A].   16 days
[B].   20 days
[C].   17 days
[D].   12 days


Question : 5

P alone can complete a piece of work in 6 days. Work done by Q alone in one day is equal to onethird of the work done by P alone in one day. In how many days can the work be completed if P and Q work

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


Question : 6

If 5 men and 2 boys working together, can do four times as much work per hour as a man and a boy together. Find the ratio of the work done by a man and that of a boy for a given time?

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


Question : 7

30 men can do a work in 40 days. When should 20 men leave the work so that the entire work is completed in 40 days after they leave the work?

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


Question : 8

(8) . A, B and C can do a piece of work in 24 days, 30 days and 40 days respectively. They began the work together but C left 4 days before the completion of the work. In how many days was the work complete

[A].   5 days
[B].   4 days
[C].   7 days
[D].   11 days


Question : 9

(9) . A can do a work in 9 days and B can do the same work in 18 days. If they work together, in how many days will they complete the work?

[A].   8
[B].   7
[C].   6
[D].   5


Question : 10

(10) . A, B and C can do a work in 90, 30 and 45 days respectively. If they work together, in how many days will they complete the work?

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





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1 comment:

  1. Aisha24 December 2018 at 02:21

    Thanks for the article! Learn about the current test pattern, types of questions and difficulty level of each section through railway mock test online.

    ReplyDelete

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