PSC / Bank Maths Questions - Ratio

1.    If 15 toys cost Rs 234, what do 35 toys cost?

2.    1f 36 men can do a certain piece of work in 25 days, in how many days will 15 men do it?

3.    If 20 men can build a wall 56 meters long in 6 days, what length of a similar wall can be build by 35 men in 3 days?

4.    If 15 men working 9 hours a day, can reap a field in 16 days, in how many days will 18 men reap the same field working 8 hours a day?

5.    If 8 men working 9 hours a day can build a wall 18 m long, 2m wide, and 12m high in 10 days, how many men will be required to build a wall in 8 days, 32 m long, 5 m wide and 9 m high working 6 hrs a day?

6.    If 9 engines consume 24 metric tons of coal, when each is working 8 hours a day, how much coal will be required for eight engines, each running 13 hours a day, it being given that 3 engines of the former type consume as much as the 4 engines of the latter type?

7.    A contract is to be completed in 46 days and 117 men were set to work, each working 8 hrs a day.  After 33 days 4/7 of the work is completed. How many additional men may be employed so that the work may be completed in time, each men now working 9 hrs a day?

8.    A garrison of 3300 men had provisions for 32 days, when given at the rate of 850 grams per head. At the end of 7 days, a reinforcement arrived and it was found that provisions will last 17 days more, when given at the rate of 825 grams per head. what is the strength of the reinforcement?

9.    2 men and seven boys together complete a certain work in 16 days, while 3 men and 8 boys together complete the work in 12 days. Find in how many days will 8 men and 8 boys together complete a work twice as big as the previous one?

10. If 22.5 meters of a uniform iron rod weighs 85.5 kg, what will be the weight of 6 meters of the same rod?