TET-CTET Mathematics MCQ #Set 6
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) 9 days
(B) 11 days
(C) 13 days
(D) 15 days
(2) . 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) 8 days
(B) 13 days
(C) 9 days
(D) 12 days
(3) . Ravi and Kumar are working on an assignment. Ravi takes 6 hours to type 32 pages on a computer, while Kumar takes 5 hours to type 40 pages. How much time will they take, working together on two differ
(A) 7 hours 15 minutes
(B) 8 hours 15 minutes
(C) 7 hours 30 minutes
(D) 8 hours 30 minutes
(4) . A takes twice as much time as B or thrice as much time as C to finish a piece of work. Working together, they can finish the work in 2 days. B can do the work alone in
(A) 4 days
(B) 8 days
(C) 6 days
(D) 12 days
(5) . X and Y can do a piece of work in 20 days and 12 days respectively. X started the work alone and then after 4 days Y joined him till the completion of the work. How long did the work last?
(A) 20 days
(B) 14 days
(C) 10 days
(D) 6 days
(6) . A and B can do a job together in 7 days. A is 13/4 times as efficient as B. The same job can be done by A alone in
(A) (A's 1 day's work) : (B's 1 day's work) = 7/4 :1 = 7 : 4.
(B) Let A's and B's 1 day's work be 7x and 4x respectively.
(C) Then, 7x + 4x = 1/7 => 11x = 1/7 => x = 1/77 .
(D) Therefore A's 1 day's work = ( 1/77 x 7 ) = 1/11 = 11 days
(7) . X can do a piece of work in 40 days. He works at it for 8 days and then Y finished it in 16 days. How long will they together take to complete the work?
(A) 40/3 days
(B) 27 days
(C) 33 days
(D) 15 days
(8) . A and B complete a work in 6 days. A alone can do it in 10 days. If both together can do the work in how many days?
(A) 3.75 days
(B) 4 days
(C) 5 days
(D) 6 days
(9) . A and B together can do a piece of work in 8 days. If A alone can do the same work in 12 days, then B alone can do the same work in?
(A) 20 days
(B) 16 days
(C) 24 days
(D) 28 days
(10) . A can do a piece of work in 4 days. B can do it in 5 days. With the assistance of C they completed the work in 2 days. Find in how many days can C alone do it?
(A) 10 days
(B) 20 days
(C) 5 days
(D) 4 days
(11) . Twenty women can do a work in sixteen days. Sixteen men can complete the same work in fifteen days. What is the ratio between the capacity of a man and a woman?
(A) 2:3
(B) 4:3
(C) 3:4
(D) 3:2
(12) . A and B can do a piece of work in 6 2/3 days and 5 days respectively. They work together for 2 days and then A leaves. In how many days after that B will complete the work alone.
(A) 2 days
(B) 1 ½ days
(C) 3 days
(D) 3 ½ days
(13) . 4 men and 6 women can complete a work in 8 days, while 3 men and 7 women can complete it in 10 days. In how many days will 10 women complete it?
(A) 35
(B) 40
(C) 45
(D) 50
(14) . 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) 12 days
(B) 10 days
(C) 14 days
(D) 8 days
(15). A and B can do a piece of work in 12 days and 16 days respectively. Both work for 3 days and then A goes away. Find how long will B take to complete the remaining work?
(A) 15 days
(B) 12 days
(C) 10 days
(D) 9 days
(16). Sakshi can do a piece of work in 20 days. Tanya is 25% more efficient than Sakshi. The number of days taken by Tanya to do the same piece of work is
(A) 4 days
(B) 6 days
(C) 10 days
(D) 16 days
(17). A and B can do a piece of work in 3 days, B and C in 4 days, C and A in 6 days. How long will C take to do it?
(A) 18 days
(B) 20 days
(C) 24 days
(D) 30 days
(18). A takes twice as much time as B or thrice as much time as C to finish a piece of work. Working together, they can finish the work in 2 days. B can do the work alone in:
(A) 4 days
(B) 6 days
(C) 8 days
(D) 12 days
(19). A can do a piece of work in 10 days. He works at it for 4 days and then B finishes it in 9 days. In how many days can A and B together finish the work?
(A) 6 days
(B) 8 days
(C) 8 ½ days
(D) 7 ½ days
(20). A can do a piece of work in 40 days; B can do the same in 30 days. A started alone but left the work after 10 days, then B worked at it for 10 days. C finished the remaining work in 10 days. C alone c
(A) 24 days
(B) 30 days
(C) 44 days
(D) 17 1/2 days
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