Question

College P has 180 students scoring average marks of 88 and college Q has 320 students scoring average marks of 72. Find the average marks of both the colleges together.

• A. 82.00
• B. 75.25
• C. 77.76
• D. 80.00

Answer 1

Answer:

C. 77.76

Solution:

Calculation:

Total marks of college P is 180 × 88 = 15840

Total marks of college Q is 320 × 72 = 23040

Total number of students is 320 + 180 = 500

Average will be , $\frac{23040+15840}{500}=77.76$

The correct option is 3