# The ratio of average number of students in Arts to the average number

| The ratio of average number of students in Arts to the average number of students in Commerce is

A. 12:5

B. 10:7

C. 7:4

D. 48:35

### Right Answer is: A

#### SOLUTION

Total number of students in Arts = 600 + 550 + 550 + 700 = 2400

Total number of students in Commerce = 200 + 250 + 300 + 250 = 1000

Observe that average = sum/n, hence ratio of average will be same as ratio of sum.

Required ratio

= Sum of students in arts/Sum of students in commerce

= 2400:1000

= 12:5

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The ratio of average number of students in Arts to the average number