BD Merit - Freelancing, BCS, Bank, Primary, Admission, NTRCA

1 . 60+15-135

A. $0$
B. $1$
C. $\sqrt{2}$
D. $\sqrt{3}$

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Answer: Option A

Explanation:

✓(60) + ✓(15) - ✓(135)

= ✓(4×15) + ✓(15) - ✓(9×15)

= 2✓(15) + ✓(15) - 3✓(15)

= 3✓(15) - 3✓(15)

= 0.