if 2 men or 3 women can reap a field in 8 days how long will 3 men and 4 women take to reap it ?
"explanation : 2 men reap 1 / 8 field in 1 day 1 man reap 1 / ( 2 x 8 ) 3 women reap 1 / 8 field in 1 day 1 woman reap 1 / ( 3 x 8 ) 3 men and 4 women reap ( 3 / ( 2 x 8 ) + 4 / ( 3 x 8 ) ) = 5 / 16 in 1 day 3 men and 4 women will reap the field in 5 / 16 days answer : option d"
divide(8, add(multiply(3, divide(8, 2)), multiply(4, divide(8, 3))))