Answer :
Answer:
His mangoes buying rate is 5/9=0.56₹/mango , But his mango selling rate is 8/12= 0.66₹/mango , So he gain profit of 17% [=1/0.56×100].
Step-by-step explanation:
CP of 9 mangoes = 5₹
Cp of 12 mangoes = 5×12/9
Sp of 12 mangoes =8₹
profit = [SP-CP/CP ]×100
(24-20/20)×100 =20%profit