If 30 copies of a compact disc (CD) cost Rs.140, how much will 24 copies of the same CD cost?
Show answer & explanation
Correct answer: B
Explanation
The correct answer is Option 2 i.e. Rs.112.
30 copies of a compact disc (CD) cost Rs.140
Cost of one CD = 140/30
The cost of 24 copies = 24 × 140/30 = Rs.112