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The average marks of 32 boys of section A of class X is 60 whereas the average marks of 40 boys of section B of class X is 33. The average marks for both the sections combined together is
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- 44
- 45
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46 1 2 -
45 1 2
- 44
Correct Option: B
Here, n1 = 32 , a1 = 60
n2 = 40 , a2 = 33
We know that ,
| ∴ Average = | |
| n1 + n2 |
| Required average = | |
| 32 + 40 |
| Required average = | |
| 72 |
| Required average = | = 45 | |
| 72 |
