QBM048

Q1. A painter takes 5 days to paint a room. How much time it would take him to without the roof , twice as long , twice as broad and twice as high? Q2.Ann and Betty can do a job in 10 days; Ann and Carol can do the same job in 12 days; Betty and Carol can do the same job in 20 days. How long will it take Carol to do the job alone? Q3. Subhash can copy 50 pages in 10 hours; Subhash and Prakash together can copy 300 pages in 40 hours. In how much time can prakash copy 30 pages ? Q4. Four men and three women can do a job in 6 days. When five men and six women work on the same job, the work gets completed in 4 days. How long will a woman take to do the job, if she works alone on it? (1)18 days (2)36 days (3)54 days (4)None of these Q5. A can do a piece of work in 16days and B in 20 days. They worked together for 4 days and then B leaves. In how many days will A finish the remaining work Q6. Ajit can do as much work in 2 days as Baljit can do in 3 days and Baljit can do as much in 4 days as Diljit in 5 days. A piece of work takes 20 days if all work together. How long would Baljit take to do all the work by himself? Q7. A and B can complete a piece of work in 8 days, B and C in 12 days, while C and A in 16 days. They work together for 3 days when A leaves of. in how many days more will B and C finish the remaining work? a)1 1/2 days b) 2 1/4 days c) 7 1/8 days d) 4 1/2 days Q8. A can do as much work in 2 days as B can do in 3 days and C in 5 days. A piece of work takes 20 days if all work together. How long would B take to do all the work by himself? Q9. If 18 binders bind 900 books in 10 days, how many binders will be required to bind 660 books in 12 days? (a)55 (b)14 (c)13 (d)11 Q10.A tank is fitted with 8 pipes, some of them that fill the tank and others that are waste pipe meant to empty the tank. Each of the pipes that fill the tank can fill it in 8 hours, while each of those that empty the tank can empty it in 6 hours. If all the pipes are kept open when the tank is full, it will take exactly 6 hours for the tank to empty. How many of these are fill pipes? (1)2 (2)4 (3)6 (4)5 Q11. A group of workers were put on a job. After the days work was over, one worker was withdrawn each day. The job was finished when the last worker was withdrawn. If no worker were withdrawn at any stage, the group would have finished the job in two-thirds the time. How many workers were there in the group? Q12. A rope makes 140 rounds of the circumference of a cylinder whose radius of the base is 14 cms. How many times can it go round a cylinder with radius 20 cms?: (a)98 (b)17 (c)200 (d)none of these Q13. During rush hour, Fernando can drive 20 miles using the side roads in the same time that it takes to travel 15 miles on the freeway. If Fernando's rate on the side road is 9 miles per hour faster than is rate on the freeway, find his rate on the side of the road. Q14.Bucket P has thrice the capacity as bucket Q. it takes 60 turns for bucket P to fill the empty drum. How many turns it will take for both the buckets P and Q, having each turn together to fill the empty drum? a) 30 b) 40 c) 45 d) 90 END

my answers

Q1. 20 Days Q4. Correct Answer - (3) Q5. ANS : 8 (4/5) Q8. ANS: 42 Q10. Correct Answer - (2) Q13. Ans: t=d/r. So t=20/r and t=15/(r-9). Set the two equations equal and solve for r. r=36

Q2 & 3

2.  40 days

3. 12 hrs

ans for ques no. 2) 11days

ans for ques no. 2) 11days

For Q(2), correct ans is 60 days..

For Q(2), correct ans is 60 days..