For the following questions answer them individually
The length of a train and a platform is equal. The train at the speed of 90km/hr crosses the platform in 1 minute. What is the length of platform ?
A men covered a certain distance of one side by cycle and other side by scooter in 2 hours 20 minutes. If he had covered the total distance by cycle then time consumed was 3 hours 30 minutes. In what time he can cover the distance by scooter ?
A and B jointly invest Rs. 2100 and Rs. 3100 respectively in a f. A is an active partner and he gets 25% of the profit separately. If their business yields them total Rs. 1,040 as profit what will be the gain of each of them ?
Circumference of two concentric circles are 176m and 132m. What is the different between their radii ?
A rectangular field is 90 m × 50 m Inside the field there is path of width 5 m borderine the field. What is the area of the path ?
Diameter of a roller is 2.4 m and it is 1.68 m long. If it takes 1000 complete revolutions once over to level a field, the area of the field is