All 120 students in a class play cricket or football or both, 75 play cricket and 60 play football.

In how many ways can a subcommittee of four persons be formed from amongst four women and six men so that one...

A number is selected at random from 40 to 59 inclusive . What is the probability that the number is prime numb...

A arden is 60m long and 20m wide. Inside the garden there is a 5m wide path around it . The area of the path i...

A circular flower bed has diameter 4m. The flower bed is increased so that the diameter is now 12m. How many t...

A man binds 112 books in a day , and his assistant work 1/4 as fast . How many days will it take them to bind...

A train passes city X at 9.55 am and Y city at 10.15 am . The distance between cities X and Y is 45 miles . Wh...