Time and work Practice Question and Answer
8 Q: 8 men working for 9 hours a day complete a piece of work in 20 days. In how many days can 7 men working for 10 hours a day complete the same piece of work?
1069 05f6326dca372fb53670c154f
5f6326dca372fb53670c154f- 121 daysfalse
- 2$$ {20}{3\over 5}\ days $$false
- 3$$ {20}{1\over 2}\ days $$false
- 4$$ {20}{4\over 7}\ days $$true
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Answer : 4. "$$ {20}{4\over 7}\ days $$"
Q: 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 completed in-
1071 05f6326843366f3388365dc5e
5f6326843366f3388365dc5e- 110 daysfalse
- 28 daysfalse
- 312 daystrue
- 415 daysfalse
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Answer : 3. "12 days"
Q: A, B and C together earn Rs. 2700 in 18 days. A and C together earn Rs. 940 in 10 days. B and C together earn Rs. 1520 in 20 days. Find the daily earning of C.
6899 05f59f4a0b772fe2f8b23903f
5f59f4a0b772fe2f8b23903f- 1Rs. 10false
- 2Rs. 40false
- 3Rs. 20true
- 4Rs. 15false
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Answer : 3. "Rs. 20"
Q: A work could be completed in 100 days by some workers. However, due to the absence of 10 workers, it was completed in 110 days. The original number of workers was
1707 05f59f452b772fe2f8b238e1f
5f59f452b772fe2f8b238e1f- 1100false
- 2110true
- 355false
- 450false
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Answer : 2. "110"
Q: A, B , C can finish a work in 10, 12, and 15 days respectively. They start working together. If B stops after 2 days, how long would it take A and C to finish the remaining work
1297 05f59f404b772fe2f8b238dcc
5f59f404b772fe2f8b238dcc- 13 daystrue
- 2$$ {3{8\over 11}}\ days$$false
- 3$$ {2{6\over 11}}\ days$$false
- 4$$ {3{6\over 11}}\ days$$false
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Answer : 1. "3 days "
Q: If the work done by (x-1) men in (x+1) days and the work done by (x+2) men in (x-1) days is in the ratio of 9 : 10, then x is equal to
1504 15f4f66627e85226ee74bd978
5f4f66627e85226ee74bd978- 15false
- 26false
- 37false
- 48true
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Answer : 4. "8"
Q: 5 men and 5 women earn Rs.600 in 3 days. 10 men and 20 women earn Rs. 3500 in 5 days. In how many days can 6 men and 4 women earn Rs. 1060?
3444 15f4f5ef082369c1d61194be9
5f4f5ef082369c1d61194be9- 15 daystrue
- 210 daysfalse
- 36 daysfalse
- 412 daysfalse
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Answer : 1. " 5 days"
Explanation :
3 (5 M+5 W)=600
5( 10 M+ 20 W)=3500
Solving we can get:
M=18
W=26
So we can find
Days =1060/6M+4W=5 days
Q: A completes $$ {7\over 10}$$ of work in 15 days, then he completes the remaining work with the help of B in 4 days. The time required for A and B together to complete the entire work is
1353 15f4f5e5e82369c1d61194ade
5f4f5e5e82369c1d61194ade- 1$$ {10} {2\over 3}\ days$$false
- 2$$ {12} {2\over 3}\ days $$false
- 3$$ {13} {1\over 3}\ days $$true
- 4$$ {8} {1\over 4}\ days $$false
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