(152 - 42)/(162 - 42) = কত?

(15²- 4²)/(16²- 4²) = কত?

A 0.88

B 209/240

C 15/16

D 0.74

Correct Answer: Option B

(15² - 4²)/(16² - 4²)
= (15 + 4)(15 - 4)/(16 + 4)(16 - 4)
= (19 × 11)/(20 × 12)
= 209/240