Question

A vendor bought 9 sweets for rupees one.At what rate should he sell it to gain 80%

Answer 1

$\huge\underline\mathfrak{Answer}$

The selling price is Rs.0.2.

Given : A vendor bought 9 sweets for one Rupees.

To find : At what rate should he sell it to gain 80% ?

Solution:

The cost of 9 sweets is Rs.1

The cost of 1 sweets is Rs 1/9

The gain percent is 80%.

★ The SP of 1 sweet is,

SP= 100+G%/100×CP

SP=100+80/100×1/9

SP=180/100×1/9

SP= 0.2

Therefore, The selling price is Rs.0.2.