the sum of ages of 5 children born 2 years different each is 50 yrs . what is the age of the elder child ?
let the ages of children be x , ( x + 2 ) , ( x + 4 ) , ( x + 6 ) and ( x + 8 ) years . then , x + ( x + 2 ) + ( x + 4 ) + ( x + 6 ) + ( x + 8 ) = 50 5 x = 30 x = 6 x + 8 = 6 + 8 = 14 answer : b
divide(add(add(add(add(2, const_4), add(2, const_4)), add(const_4, const_4)), 50), 5)