The following questions were asked in twice AD FIA & IB by FPSC with different values. Please solve them:

14 persons earn Rs.400 in in 10 days. How many persons are required to earn 600.

Ans. is 21....How?





6 persons complete a work in 16 days , 8 persons will complete the job in how many days?

Ans is 12...How?



4 masons build as wall 4 feet high in four hours. How many feet high wall can one meason build in one hour?

Ans. is 1/4 feet...How?