Question

Banana bought at 11 for 10 rupees and sold at 10 for 11 rupees what is the gain percent

Answer 1

c.p.of 11 bananas=10
c.p.of 1 banana =10/11
s.p. of 10 banana =11
s.p.of 1 =11/10
profit =11/10-10/11=21/110
p%=21/110×100×11/10=21%