Important Math Questions for AFCAT Exams \\ MATHS\\




IMPORTANT MATHS QUESTION FOR AFCAT

Q.1 A can finish a work in 18 days and B can do the same work in half the time taken by A. then, working together, what part of the same work they can finish in a day?
(a) 1/6  (b) 1/9  (c) 2/5  (d) 2/7



Q.2 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) 1/24 day  (b) 7/24 day  (c) 24/7 day  (d) 4 days



Q.3 A man can do a piece of work in 5 days, but with the help of his son, he can do it in 3 days. In what time can the son do it alone?
(a) 13/2 days  (b) 7 days  (c) 15/2 days  (d) 8 days
Q.4 A can lay railway track between two stations in 16 days and B can do the same job in 12 days. With the help of C, they did the job in 4 days only. Then, C alone can do the job in:
(a) 46/5 days  (b) 47/5 days  (c) 48/5 days  (d) 10 days
Q.5 A takes twice as much 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
Q.6 A and B are working on an assignment. A takes 6 hours to type 32 pages on a computer, while B takes 5 hours to type 40 pages. How much time will they take, working together on two different computers to type an assignment of 110 pages?
(a) 7 hours 30 min.  (b) 8 hours  (c) 8 hours 15 min.  (d) 8 hours 25 min.
Q.7 A and B can do a work in 8 days, B and C in 12 days. A, B and C work 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
Q.8 A works twice as fast as B. If B can complete a work a work in 12 days independently, the number of days in which A and B can together finish the work is:
(a) 4 days  (b) 6 days  (c) 8 days  (d) 18 days
Q.9 A is thrice as good a workman as B and therefore is able to finish a job in 60 days less than B. working together, they can do it in:
(a) 20 days  (b) 45/2 days  (c) 25 days  (d) 30 days
Q.10 Amit can do a piece of work in 20 days. Pankaj is 25 % more efficient than Amit. The number of days taken by Pankaj to do the same piece of work is:
(a) 15 days  (b) 16 days  (c) 18 days  (d) 25 days

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