if 2 men or 3 women can reap a field in 5 days how long will 5 men and 6 women take to reap it ?
"explanation : 2 men reap 2 / 5 field in 1 day 1 man reap 1 / ( 2 x 5 ) 3 women reap 1 / 43 field in 1 day 1 woman reap 1 / ( 5 x 3 ) 5 men and 6 women reap ( 5 / ( 2 x 5 ) + 6 / ( 3 x 5 ) ) = 9 / 10 in 1 day 5 men and 6 women will reap the field in 9 / 10 days answer : option e"
divide(5, add(multiply(5, divide(5, 2)), multiply(6, divide(5, 3))))