A rectangular field is measured 290 m by 210 m. How long will it take for a girl to go two times round the field, if she walks at the rate of `1. 5\ m//s e c ?`

A rectangular field is measured 290m by 210m. How long will it take for a girl to go two xx round the field,if she walks at the rate of 1.5m/sec?

The length and breadth of a playground are 62m60cm and 25m40cm respectively.Find the cost of turfing it at Rs2.50 per square metre.How long will a man take to go three xx round the field,if he walks at the rate of 2 metres per second?

The area of a rectangular field is 48 m^2 and one of its sides is 6m. How long will a lady take to cross the field diagonally at the rate of 20 m/minute?

How long will John take to make a round of a circular field of radius 21m cycling at the speed of 8km/hr ?

How long will John take to make a round of a circular field of radius 21 m cycling at the speed of 8 km/hr?

How long will a man take to make a round of a circular field of radius 21 m, cycling at the speed of 8 km//h ?

A rectangular field is 80 m by 70 m. A man walks round it at the rate of 3 km per hour. What time will he take in making 5 rounds ?