Suppose he has 100 rs with him.
HE can buy 40 mangoes - so 2.5 rs/mangos
"" "" " 50 oranges - so 2 rs /orange
he keeps 10% aside, so 10 rs has been kept aside.
now he buys 20 mangoes - so he spends 50 rs on mangoes.
remaining = 100-10-50 = 40. He can buy 20 oranges in with this amount.
Option C
HE can buy 40 mangoes - so 2.5 rs/mangos
"" "" " 50 oranges - so 2 rs /orange
he keeps 10% aside, so 10 rs has been kept aside.
now he buys 20 mangoes - so he spends 50 rs on mangoes.
remaining = 100-10-50 = 40. He can buy 20 oranges in with this amount.
Option C








