Practice Time and work Questions and Answers

• A and B working together, can do a piece of work in 4(1/2) hours. B and C working together can do it in 3 hours. C and A working together can do it in 2(1/...
• A can do a work in 10 days and B in 15 days. If they work on it together for 4 days then in how many days the remaining work will be completed by B?
• A can do a work in 12 days and B in 16 days. If they work on it together for 3 days then in how many days the remaining work will be completed by B?
• A and B together can do a work in 12 days. If A can alone do the same work in 18 days, then in how many days B alone will do the same work?
• A and B together can do a work in 5 days. If A can alone do the same work in 15 days, then in how many days B alone will do the same work?
• A and B together can do a work in 6 days. If A can alone do the same work in 9 days, then in how many days B alone will do the same work?
• A and B together can do a work in 8 days. If A can alone do the same work in 12 days, then in how many days B alone will do the same work?
• Working in a shift of 5 hours 39 workers take 12 days to build a stretch of highway. In how many days will 30 workers working 6 hours a day, complete the w...
• Two workers A and B were put to some work. If A worked alone, he would have taken 8 hours more than when both A and B had worked together. If B worked alon...
• A, B and C can do a piece of work in 5, 8 and 10 days respectively. They start working together but C leaves after working 1 days and B, 2 days before the ...
• The efficiency of A is half than that of B and C together. The ratio of the efficiency of B and C is 5 : 4. A, B and C together can do this work in 12 days...
• Amit is 66(2/3)% more efficient than Vivek who can do the same work in 25% more time than Sameer. If Amit and Sameer together can complete 70% of work in 1...
• John does ½  piece of work in 3 hours, Joe does ¼ of the remaining work in 1 hour and George finishes remaining work in 5 hours. How lon...
• A does 2/5 of a work in 9 days. Then B joined him and they together completed the remaining work in 6 days. B alone can finish the whole work in ...
• A man does double the work done by a boy in the same time. The number of days that 3 men and 4 boys will take to finish a work which can be done by 10 men ...
• An elephant can do a work as fast as two horses ‘A’ and ‘B’ can do it by working together. If horse ‘A’ alone can complete the work in 38 hours...
• X men can complete the piece of work in 35 days and (X + 34) men can complete the same work in 14 days less than that of days taken by X men. Find the valu...
• X men can complete the piece of work in 50 days and (X + 51) men can complete the same work in 30 days less than that of days taken by X men. Find the valu...
• X men can complete the piece of work in 45 days and (X + 46) men can complete the same work in 23 days less than that of days taken by X men. Find the valu...
• X men can complete the piece of work in 32 days and (X + 30) men can complete the same work in 15 days less than that of days taken by X men. Find the valu...
• X men can complete the piece of work in 36 days and (X + 35) men can complete the same work in 14 days less than that of days taken by X men. Find the valu...
• X men can complete the piece of work in 36 days and (X + 30) men can complete the same work in 15 days less than that of days taken by X men. Find the valu...
• A takes 32 days to complete a work while B can complete the same work in 12 days less than A. If C can complete 25% of the work in 12 days, then find the t...
• A and B can complete a work together in 20 days. If A alone can complete one-fourth of the work in ‘x’ days and remaining work is completed by ...
• A and B can complete a work together in 25 days. If A alone can complete one-fourth of the work in ‘x’ days and remaining work is completed by ...
• A and B can complete a work together in 30 days. If A alone can complete one-third of the work in ‘x’ days and remaining work is completed by B alone i...
• A and B can complete a work together in 32 days. If A alone can complete one-fourth of the work in ‘x’ days and remaining work is completed by ...
• A and B can complete a work together in 36 days. If A alone can complete one-fourth of the work in ‘x’ days and remaining work is completed by ...
• A and B can complete a work together in 36 days. If A alone can complete one-third of the work in lsquo;xrsquo; days and remaining work is completed by B a...
• A and B can complete a work together in 24 days. If A alone can complete one-fourth of the work in ‘x’ days and remaining work is completed by ...
• A and B can complete a work together in 20 days. If A alone can complete one-fourth of the work in ‘x’ days and remaining work is completed by B alone ...
• A and B can complete a work together in 18 days. If A alone can complete one-third of the work in ‘x’ days and remaining work is completed by B...
• ‘A’ can do a piece of work in 12 days. ‘B’ can do 70% of the same work in 30 days. If they work together for the entire time and get paid Rs.1504, ...
• ‘A’ can do a piece of work in 8 days. ‘B’ can do 40% of the same work in 16 days. If they work together for the entire time and get paid Rs.1500, t...
• ‘A’ can do a piece of work in 10 days. ‘B’ can do 80% of the same work in 12 days. If they work together for the entire time and get paid Rs.1200, ...
• ‘A’ can do a piece of work in 15 days. ‘B’ can do 60% of the same work in 20 days. If they work together for the entire time and get paid Rs.1450, ...
• ‘A’ can do a piece of work in 20 days. ‘B’ can do 80% of the same work in 30 days. If they work together for the entire time and get paid Rs.1610, ...
• ‘A’ can do a piece of work in 10 days. ‘B’ can do 80% of the same work in 20 days. If they work together for the entire time and get paid Rs.1400, ...
• ‘A’ can do a piece of work in 12 days. ‘B’ can do 60% of the same work in 18 days. If they work together for the entire time and get paid Rs.1540, ...
• ‘A’ can do a piece of work in 15 days. ‘B’ can do 80% of the same work in 20 days. If they work together for the entire time and get paid Rs.1408, ...