যদি a = b + c এবং a = 16 হয়, তবে ‍ab + ac =?

যদি a = b + c এবং a = 16 হয়, তবে ‍ab + ac =?

A 255

B 256

C 258

D 300

Solution

Correct Answer: Option B

দেওয়া আছে, a = b + c
a = 16

এখন,
ab + ac = a(b + c)
= a × a
= 16 × 16
= 256