QBM049

Q1. Pipe A and B running together can fill a cistern in 6 minutes. If B takes 5 minutes more than A to fill the Cistern, then the time in which A and B will fill the Cistern separately will be respectively. ANS: 10 mins, 15 mins Q2. A certain number of men could do a piece of work in 60 days. if there were 8 more men, it could be finished in 10 days less. The number of men in the beginning were: a)30 b)35 c)40 d)45 Q3. A and B completed a work together in 5 days. Had A worked at twice the speed and B at half the speed, it would have taken them four days to complete the job. How much time would it take it take for A alone to do the work? Q4. Pipe A usually fills a tank in 2 hours. On account of a leak at the bottom of the tank, it takes pipe A 30 more minutes to fill the tank. How long will the leak take to empty a full tank if pipe A is shut? (1)2 hours 30 minutes (2)5 hours (3)4 hours (4)10 hours Correct Answer - (4) Q5. It takes six days for three women and two men working together to complete a work. Three men would do the same work five days sooner than nine women. How many times does the output of a man exceed that of women? Q6. It takes Joe 5 hours to cut and rake her lawn. It takes Sue and their 3 children 7 hours to do the same job. How long would it take if the whole family did the job together? (round to the nearest hour.) 6. 3 hours Q7. Kasem can do a piece of work in 7 1/2 hours and Sunil can finish it in 10 hours. If Kasem works at it for 3 hours and Sunil for 4 hours the amount of work left unfinished is: a) 1/5 b) 2/5 c) 1/4 d) 2/7 Q8. N and A can do a work in 10 days and N alone in 12 days. In how many days can A do it alone? ans. 60 days Q9. Men can reap a field in 30 days. In how many days will 20 men reap the field? (a) 25 days (b) 24 days (c) 10-1/2 days (d) 37-1/2 days Q10. If six men can do a job in fourteen days, how many would it take to do the job in twenty-one days? you'll need four guys to do the job in twenty-one days. Q11. A garrison of 3300 men had provisions for 32 days, when given at the rate of 850 gms per head. At the end of 7 days a reinforcement arrives and it was found that now the provisions will last 17 days more, when given at the rate of 825 gm per head. What is the strength of the reinforcement? Q12. A contractor undertakes to do a piece of work in 40 days. He engages 100 men at the beginning and 100 more after 35 days and completes the work in stipulated time. If he had not engaged the additional men, how many days behind schedule would it be finished? (a) 5 (b) 6 (c) 3 (d) 9 Q13. A red light flashes 3 times per minute and a green light flashes 5 times in two minutes at regular intervals. If both lights start flashing at the same time, how many times do they flash together in each hour? (1)30 (2)24 (3)20 (4)60 Correct Answer - (1) Q14. A fort has provision for 150 men for 45 days. After 10 days, 25 men left. How long will the foods last at the same rate? ANS: 42 dyas Q15. In a fort there was sufficient food for 200 soldiers for 31 days. After 27 days 120 soldiers left the fort. For how many extra days will the rest of the food last for the remaining soldiers? END