## Problems on Chain Rule

Learn and practice Problems on chain rule with easy explaination and shortcut tricks. All questions and answers on chain rule covered for various Competitive Exams

## Solve Problems:

1) If 15 men can reap the crops of a field in 28 days, in how many days will 5 men reap it?

1. 50 days
2. 60 days
3. 84 days
4. 9.333 days

2) If 8 men can reap 80 hectares in 24 days, how many hectares can 36 men reap in 30 days?

1. 450
2. 350
3. 152
4. 652

3) A fort had arrangements for 150 boys for 45 days. After 10 days, 25 boys left the fort. Then after how much time the food will be consumed completely if the consumption of food remains the same for the remaining boys?

1. 45 days
2. 47 days
3. 42 days
4. None of these

4) If 30 men can complete a piece of work in 27 days, in what time 18 men can do another piece of work 3 times as greater?

1. 135 days
2. 54 days
3. 81 days
4. 56 days

5) If 9 engines consume 24 metric tons of coal, when each is working 8 hours per day, how much coal should be available for 8 engines, each running 13 hours per day, it is given that 3 engines of the former type consume as much as 4 engines of later type.

1. 36 metric tons
2. 12 metric tons
3. 52 metric tons
4. 26 metric tons

6) A contract is to be finished in 46 days and 117 men involved in it, each working 8 hours per day. After 33 days, 4/7 of the work is finished, how many additional men may be employed so that it may be completed in time, each man now working 9 hours a day?

1. 85
2. 196
3. 81
4. 123

7) 24 women or 15 men or 36 boys can finish a piece of work in 12 days, working 8 hours per day, how many men must be associated with 12 women and 6 boys to finish another piece of worktimes as greater in 30 days working 6 hours a day?

1. 12 men
2. 8 men
3. 15 men
4. 6 men

8) The price of 357 mangoes is Rs 1517.25. Find the approximate price of 49 dozens of such mangoes?

1. Rs 3000
2. Rs 3500
3. 4000 Rs
4. Rs 2500

9) If 2 kg of almonds cost as much as 8 kg of walnuts, and the cost of 5 kg of almonds and 16 kg of walnuts is Rs 1080, what is the cost of almonds per kg?

1. Rs 160
2. Rs 120
3. 150 Rs
4. None of these.

10) If 16 men working 7 hours a day can plow a field in 48 days, in how many days will 14 men working 12 hours a day plow the same field?

1. 46
2. 32
3. 28
4. 35