Q. The diameter of a circle whose area is 154 cm² is:

  • (A) 7 cm
  • (B) 14 cm
  • (C) 21 cm
  • (D) 28 cm
✅ Correct Answer: (B) 14 cm
Explanation: r² = 154 × 7/22 = 49 ⇒ r = 7 cm ⇒ diameter = 14 cm.

Published by Mr. Dubey ⭐ 111.54K Points at 15-Jul-2026 06:07 am in Math

Explanation by: Mr. Dubey
r² = 154 × 7/22 = 49 ⇒ r = 7 cm ⇒ diameter = 14 cm.

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