Question

120 copies of a book cost Rs 540. What will 400 copies of this cost ?

Answer 1

Answer:

Answer: Dear, the answer is 2000 rs.

Answer 2

Given: Cost of 120 copies $= Rs. 540$

To find: Cost of 400 copies

Explanation:

∵ Cost of 120 copies$= Rs.540$

  Cost of 1 copy $= Rs. (540/120)$

                         $= Rs.4.5$

∴ Cost of 400 copies $= Rs.(400*4.5)$

                                $= Rs. 1800$