Question

a man bought apples at the rate of 8 for rs. 34 and sold them at the rate of 12 for rs. 57. how many apples should be sold to earn a net profit of rs. 45? 100 90 135 150

Answer 1

Given:
rate of apple while Buying: 8apple=Rs34
so cost of 1apple = 34/8 Rupees→[1]

While selling: 12cost 57 Rs.
→cost of 1 apple=57/12Rupees →[2]

Equating [1] and [2] to get The profit while Selling One Apple.

=[2]-[1]

=(57/12)-(34/8)

So to Get Rs 45 profit 90 should be sold.
to get 100 : 200needs to be sold.
for90 -180apples,
for135-270apples,and
for 150-300 apples need to be sold. Respectively.

Hope it helps.

Answer 2

Answer:

answer is 90 apples should be sold to gain ₹45