Question

If 3 pens cost ₹45, what is the cost of 10 pens?

• A. ₹100
• B. ₹120
• C. ₹150
• D. ₹180

Hint:

Find unit value first in ratio-based problems.

Answer 1

The Correct Option is C

Step 1: Cost of 1 pen: \[ \frac{45}{3} = 15 \] Step 2: Cost of 10 pens: \[ 15 \times 10 = 150 \]