Explanation

Group 1 total = 6 × 50,000 = Rs. 300,000  

Group 2 total = 4 × 75,000 = Rs. 300,000  

So, 1st and 2nd groups are same.

Last verified on 11-04-2026

Explanation

Let the four consecutive odd numbers be:
$n-3, n-1, n+1, n+3$

Their average =$n$.
Given average = 24 →$n=24$

Largest number = $n+3=27$.

Explanation

To find the age gap between the mother and daughter, we subtract the daughter's age from the mother's age:

$$text{Age gap} = 36 - 12 = 24$$

Explanation

Explanation

Explanation

Sum of 5 numbers = 5 × 13 = 65

Sum of 4 numbers = 4 × 10 = 40

Fifth number = 65 - 40

= 25

Last verified on 19-03-2026

Explanation

Sum of 5 numbers = 5 × 12 = 60

Sum of 4 numbers = 4 × 13 = 52

Fifth number = 60 - 52 = 8

Last verified on 18-03-202

Explanation

Let the ages be x, x+4, x+8

Sum = x + (x+4) + (x+8) = 42

3x + 12 = 42

3x = 30

x = 10

Age of youngest child = 10

Last verified on 18-03-2026

Explanation

Mean proportion between 9 and 16 is √9×16

= √144

= 12

Last verified on 18-03-2026

Explanation

Arrange in order: 3, 5, 7, 9, 11, 13, 15, 17, 19

Middle value (5th): 11

Last verified on 17-03-2026