Discussion Forum

Each issue of a weekly costs Rs.10 .However on subscription of 156 issues  30 % of the total amount ,and on 52 issues 25% of the total amount gets saved .What difference exists between the per issue cost obtained through both subscription?

Answer:

Explanation:

Cost of 1 issue = Rs .10

Actual cost of 156 issue = Rs .1560

Therefore cost for subscription for 156 issues $= \frac{(1560\times 70)}{100} = 1092$

Cost of 1 issue $= \frac{1092}{156} =$ Rs 7

Actual cost of 52 issue = Rs 520

Cost of subscription for 52 issues $= \frac{(520\times 75)}{100} = 390$

Cost of 1 issue $= \frac{390}{52} = 7.50$

Actual difference $=7.50-7 = 50$ paisa