Total number of students in a class in 2016 were 550, their strength increased 12%. What is the total strength now?

by

A. 616 
B. 650
C. 630
D. 617

🧠 Explanation (Math):

Given: 2016 strength = 550; increase = 12%
Step 1: Compute increase = 0.12 × 550 = 66
Step 2: New strength = 550 + 66 = 616
Check: 550 × 1.12 = 616 confirms
Final Answer: 616