Ravi can walk a certain distance in 40 days when he rests 9 hours a day. How long will he take to walk twice the distance, twice as fast the rest twice as long each day? `40\ d a y s` b. `50\ d a y s` c. `80\ d a y s` d. `100\ d a y s`

Rocky can walk a certain distance in 40 days when he rests 9 hours a day.How long will he take to walk twice the distance,twice as fast and rest twice as long each day?

A person walks a distance in 114 days, when he rests 9 hours a day. How long will he take to walk twice the distance if he walks twice as fast and rests twice as long each day as before ?

A man and a boy together can do a certain amount of digging in 40 days. Their speeds in digging are in the ratio of 8 : 5. How many days will the boy take to complete, the work it engaged alone? 2 d a y s b. 68 d a y s c. 80 d a y s d. 104 d a y s

X can do a piece of work in 40 days. He works at it for 8 days and then Y finished it in 16 days. How long will they together take to complete the work ? 13 1/3 d a y s b. 15 d a y s c. 20 d a y s d. 56 d a y s

A and B together can do a piece of work in 30 days. A having worked for 16 days, B finishes the remaining work alone in 44 days. In how many days shall B finish the whole work alone ? a. 30 d a y s b. 40 d a y s c. 60 d a y s d. 70 d a y s

A garrison had provisions for a certain number of days. After 10 days, 1/5 of the men desert and it is found that the provisions will now last just as long as before. How long was that? 15\ d a y s b. 25\ d a y s c. 35\ d a y s d. 50\ d a y s

A can do in one day three times the work done by B in one day. They together finish 2/5 of the work in 9 days. The number of days by which B can do the work alone is a. 30 d a y s b. 90 d a y s c. 100 d a y s d. 120 d a y s

Working together, Asha and Sudha can complete an assigned task in 20 days. However, if Asha worked alone and completed half the work and then Sudha takes over the task and completes the second half of the task, the task will be completed in 45 days. How long will Asha take to complete the task if she worked alone? Assume that Sudha is more efficient than Asha. a. 25 d a y s b. 30 days c. 60 d a y s d. 65 days

A can do a piece of work in 15 days, which B can do in 10 days. B worked at it for 8 days. A can finish the remaining work in 2 d a y s b. 3 d a y s c. 5 d a y s d. 10 d a y s

A and B can do a piece of work in 12 days, B and C in 8 days and C and A in 6 days. How long would B take to do the same work alone? a. 24 d a y s b. 32 d a y s c. 40 d a y s d. 48 d a y s