The following table gives the age of the children in a class of a school. Find the number of children in the class whose age is below 11 years but above 8 years.
| Age (in years) | 8 | 9 | 10 | 11 | 12 |
| No. of children | 13 | 15 | 42 | 22 | 18 |
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 57
Number of children of age between( 8 -11) years
ATQ -
Number of children below 11 years and above 8 years = Children of the age group of 9 and 10 years
The number of children in the age group of 9 and 10 years = (15 + 42) = 57