TET-CTET Mathematics MCQ #Set 7
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.
Question 1-20
(A) 40 days
(B) 23 days
(C) 35 days
(D) 42 days
(2) . 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
(3) . 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
(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
(5) . 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
(6) . 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
(7) . 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
(8) . 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
(9) . 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
(10) . 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
(11) . 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
(12) . 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) 21 ½ days
(B) 22 ½ days
(C) 23 ½ days
(D) 12 ½ days
(13) . 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
(14) . 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
(15). 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
(16). 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
(17). 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
(18). 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
(19). 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
(20). 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
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