A can do 1/2 of a certain work in 12 days, B and A together complete the remaining work in 4 days. Then the time taken to complete the whole work by B alone is:a)10 days	b)15 days	c)12 days	d)20 days

P can complete a work in 12 days working 8 hours a day,Q can complete the same work in 8 days working 10 hours a day. If both P and Q work together, working 8 hours a day, in how many days can they complete the work? 	 A.  5x5/11	 B.  5x6/11 	 C.  6x5/11	 D.  6x6/11

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.  3x3/7 days	D.  4 days

A can lay railway track between two given 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.  9x1/5 days	 B.  9x2/5 days 	 C.  9x3/5 days	 D.  10 days

It was calculated that 75 men could complete a piece of work in 20 days. When work was scheduled to commence, it was found necessary to send 25 men to another project. How much longer will it take to complete the work?a)27 daysb)30 daysc)25 days

Worker A takes 8 hours to do a job. Worker B takes 10 hours to do the same job. How long should it take both A and B, working together but indepently, to do the same job? 	 A.  2x4/9	 B.  4x4/9 	C.  5x4/9	 D.  4x2/9

A and B together can complete a work in 12 days. A alone can complete it in 20 days. If B does the work only for half a day daily, then in how many days A and B together will complete the work? 	 A.  10 days	 B.  11 days 	C.  15 days	 D.  20 days

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.  1/4	 B.  1/10 	 C.  7/15	 D.  8/15

A and B together can complete a piece of work in 4 days. If A alone can complete the same work in 12 days. in how many days can b alone complete that work? 	 A.  1/3 days	B.  1/6 days 	 C.   1/9 days	D.  1/12 days

A and B together can do a piece of work in 30 days.A having worked for 16 days, B finishes the remaining work 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

A and B undertake to do a piece of workfor Rs 600. A alone can do it in 6 days while B alone can do it in 8 days. With the help of C, they can finish it in 3 days, Find the share of each?

A can do a piece of work in 80 days. He works at it for 10 days & then B alone finishes the remaining work in 42 days. In how much time will A and B, working together, finish the work?

One man, 3 women and 4 boys can do a piece of work in 96 hours, 2 men and 8 boys can do it in 80 hours, 2 men & 3 women can do it in 120 hours. 5 Men & 12 boys can do it in how many hours?(A) 39 1/11 hrs (B) 42 7/11 hrs ( C) 43 7/11 days (D) 44hrs

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 days (B) 40 days ( C) 45 days (D) 50 days

Twenty-four men can complete a work in 16 days. Thirty- two women can complete the same work in twenty-four days. Sixteen men and sixteen women started working and worked for 12 days. Howmany more men are to be added to complete the remaining work in 2 days?(A) 16 men (B) 24 men ( C) 36 men (D) 48 men

Sixteen men can complete a work in twelve days. Twenty four children can complete the same work in 18 days. 12 men and 8 children started working and after eight days three more childrenjoined them. How many days will they now take to complete the remaining work?(A) 2 days (B) 4 days ( C) 6 days (D) 8 days

A, B and C are employed to do a piece of work for Rs.529. A and B together are supposed to do 19/23 of the work and Band C together 8/23 of the work. What amount should A be paid? 	 A.  Rs.315	 B.  Rs.345 	 C.  Rs.355	 D.   Rs.375

X and Y can do a piece of work n 20 days and 12 days respectively. X started the work alone and then after 4 days Y joined him till the completion of work. How long did the work last?

A is 50% as efficient as B. C does half the work done by A & B together. If C alone does the work in 40 days, then A,B and C together can do the work in:

A and B can do a piece of work in 45 days and 40 days respectively. They began to do the work together but A leaves after some days and then B completed the remaining work n 23 days. Thenumber of days after which A left the work was

Running at the same constant rate, 6 identical machines can produce a total of 270 bottelsper minute. At this rate, how many bottels could 10 such machines produce in 4 minutes ?A. 648B. 1,800C. 2,700D. 10,800E. 64,800

Three friends-whose walking rates are 1 ft./sec., 3ft./sec.,and 6ft./sec. start together walking in the same direction around a circular track that is 300 feet in circumference.After how many minutes are the three of them together again?A. 5 minsB. 10 minsC. 15 minsD. 3 minsE. 7 mins

Cassandra sets her watch to the correct time at noon. At the actual time of 1:00 PM, she notices that her watch reads 12:57 and 36 seconds.Assuming that her watch loses time at a constant rate, what will be the actual time when her watch first reads 10:00 PM?A. 10:22PM and 24 secondsB. 10:24PMC. 10:25PMD. 10:27PME. 10:30PM

A part-time employee whose hourly wage was increased by 25 percent decided to reduce the number of hours worked per week so that the employee's total weekly income would remain unchanged. By what percent should the number of hours worked be reduced ?A. 12.5%B. 20 %C. 25%D. 50%E. 75%

If 9 men working 6 hours a day can do a work in 88 days. Then 6 men working 8 hours a day can do it in how many days?

If 34 men completed 2/5th of a work in 8 days working 9 hours a day. How many more man should be engaged to finish the rest of the work in 6 days working 9 hours a day?

If 5 women or 8 girls can do a work in 84 days. In how many days can 10 women and 5 girls can do the same work?

Worker A takes 8 hours to do a job. Worker B takes 10 hours to do the same job. How long it take both A & B, working together but independently, to do the same job?

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 is twice as good a workman as B and together they finish a piece of work in 18 days.In how many days will A alone finish the work.

 A can do a certain work in 12 days. B is 60% more efficient than A. How many days does B alone take to do the same job?

A can do a piece of work n 7 days of 9 hours each and B alone can do it in 6 days of 7 hours each. How long will they take to do it working together 8 2/5 hours a day?

A takes twice as much time as B or thrice as much time to finish a piece of work. Working together they can finish the work in 2 days. B can do the work alone in ?

X can do ¼ of a work in 10 days, Y can do 40% of work in 40 days and Z can do 1/3 of work in 13 days. Who will complete the work first?

A tyre has punctures. The first puncture alone would have made the tyre flat in 9 minutes and the second alone would have done it in 6 minutes. If air leaks out at a constant rate, how long does it take both the punctures together to make it flat? A.  1x1/2 minutes	 B.  3x1/2 minutes C.  3x3/5 minutes	D.  4x1/4 minutes

10 women can complete a work in 7 days and 10 children take 14 days to complete the work. How many days will 5 women and 10 children take to complete the work? 	 A.  1	 B.  3 	C.  5	 D.  7

A does a work in 10 days and B does the same work in 15 days. In how many days they together will do the same work? 	 A.  5 days	 B.  6 days 	 C.  8 days	 D.  9 days

10 men and 15 women together can complete a work in 6 days. It takes 100 days for one man alone to complete the same work. How many days will be required for one woman alone to complete the same work? 	 A.  90	 B.  145 	 C.  150	 D.  225

A takes twice as much time as B or thrice as much time to finish a piece of work. Working together, they can finish the work in 2 days, can do the work alone in 	 A.  4 days	 B.  6 days 	 C.  12 days	 D.  15 days

Ronald and Elan are working on an assignment. Ronald takes 6 hours to type 32 pages on a computer, while Elan 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 minutes	 B.  8 hours 	 C.  8 hours 15 minutes	D.  8 hours 25 minutes

A can finish a work in 18 days and B can do the same 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

For 24 days a turner makes exact quantity of pieces. By increasing his daily production with 5 pieces he worked 22 days and made 80 pieces over the exact quantity. Find the daily production and how many pieces should have made

A worker can finish exact work for 15 days, other worker can finish only 75% of that work for the same time. At first the second worker worked several days and then the first one joined him and together they finished the rest of the work for 6 days.Find how many days worked every worker and what percent of the work has done each one of them?

A can do 1/2 of a certain work in 12 days, B and A together complete the remaining work in 4 days. Then the time taken to complete the whole work by B alone is:a)10 days	b)15 days	c)12 days	d)20 days