in a 200 meter race a beats b by 35 meters in 7 seconds . a ' s time over the cause is ?
b covers 35 m in 7 seconds b take time = ( 200 * 7 ) / 35 = 40 a takes time = 40 - 7 = 33 sec answer : d
subtract(multiply(divide(7, 35), 200), 7)