in a kilometer race , a beats b by 40 meters or 10 seconds . what time does a take to complete the race ?
"time taken by b run 1000 meters = ( 1000 * 10 ) / 40 = 250 sec . time taken by a = 250 - 10 = 240 sec . answer : e"
subtract(divide(multiply(const_1, const_1000), divide(40, 10)), 10)