DELHI POLICE WIRELESS OPERATOR QUANT (AGE) QUIZ

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Question 1:

The ratio of present age of a brother and a sister is 14:8. Brother is 48 years older than his sister. Then find present age of brother-

Question 2:

The average age of Mukesh, Arpit, and Shivani is 39 years. Two years ago the average age of Mukesh and Arpit is 40 years two years hence the average of Uprant and Shivani is 46. Find persent age of Uprant?

Question 3:

Numbers of boys and girls in a class are 20 and 35 respectively. Average Age of girls and boys are 16 years and 21.5 years respectively. The average age (in years) of all boys and girls is

Question 4:

The average of the ages of four persons is 36 years 3 months. If their ages are in the ratio of 5:7:9:8 respectively, then what is the difference between the ages of eldest and youngest person? (in years)

Question 5:

The average age of a husband and a wife was 27 years when they married 4 years ago. The average age of the husband, the wife and a newborn child is 21 years now. The present age of the child is -

Question 6:

The average age of 25 men is 30 years, 5 new men of an average age of 25 years joined them. Find the average age of all the men together?

Question 7:

My age is thrice of my son's age. After 5 years my age will become $2 \frac{1}{2}$ times of my son's age. My age is ?

Question 8:

The ages of Ahmad and Hussain are in the ratio $9: 7$. The sum of their present ages is 64 years. The difference of their ages (in years) is:

Question 9:

Ten years ago, the average age of $\mathrm{P}$ and $\mathrm{Q}$ was 20 years. Average age of $\mathrm{P}, \mathrm{Q}$ and $\mathrm{R}$ is 30 years now. After 10 years, the age of $\mathrm{R}$ will be:

Question 10:

The average age of four brother is 10 years. If the age of their mother is also included the average is increased by 5 years. The age of mother is: