EASY
Earn 100

The average age of 54 girls in a class was calculated as 14 years. It was later realized that the actual age of one of the girls in the class was calculated as 13 years. What is the actual average age of the girls in the class? (Rounded off to two digits after decimal).
(a)
10.50 years
(b)
12 years
(c)
12.50 years
(d)
13.95 years

50% studentsanswered this correctly
Important Questions on Ratio and Proportion
MEDIUM

EASY

EASY

MEDIUM

EASY

MEDIUM

EASY
A father’s age is four times the age of son. After years his age will remain only twice that of his son. Find out their ages.

EASY

EASY

MEDIUM

MEDIUM

MEDIUM

MEDIUM

MEDIUM

MEDIUM

MEDIUM

EASY

MEDIUM

EASY
The ratio of the current age of X and Y is . Three years from now the ratio of their age will be . What is the present age of Y?

EASY
Surya is years older than his son. In years, he will be twice as old as his son. What will be Surya's age after years?

