If 6 pens cost Rs. 30, how many pens can be bought for Rs. 50?

Step-by-step solution

1. Find cost per pen by dividing total cost by number of pens: $30/6=5$ Rs/pen.
2. Divide the amount to be spent by cost per pen: $50/5=10$ pens.
3. Conclude that 10 pens can be bought for Rs. 50.

Concept tested: Direct proportion of cost to quantity

Published 16 October 2026 · How this solution was prepared and checked