The ages of Rahul and Hamon are in the ratio 5 : 7. Four years later, the sum of their ages will be 56 yr. What are their present ages?

3

(a)

The number of boys and girls in a class are in theratio 7 :5. The number of boys is 8 more than the number of girls. What is the total class strength?

3

(a)

Shobo's mother's present age is six times Shobo's present age. Shobo's age five years from now will be one-third of his mother's present age. What are their present ages?

3

(a)

Solve the following linear equation \(\frac { n }{ 2 } -\frac { 3n }{ 4 } +\frac { 5n }{ 6 } =21\)

3

(a)

What should be subtracted from twice the rational number \({-5\over 3}\) to get \({2\over 5}\)?

3

(a)

The perimeter of a rectangle is 17 cm. If its width is \(3{3\over 4}\) cm, then find its length.

3

(a)

Present ages of Shaloo and Preeti are in the ratio 5: 4. 5 years from now the ratio of their ages will be 6: 5. Find their ages.

3

(a)

Solve the following equation \({7y+4\over y+2}={-4\over 3}\)

3

(a)

After 24 years I shall be 3 times as old as I was 4 years ago. Find my present age.

3

(a)

Solve: 2x - 3 = 7

3

(a)

Solve: \({x\over 3}+{3\over 2}=-{5\over 2}\)

3

(a)

A number is 20 greater than the sum of its one-third and one-ninth. Find the number.

3

(a)

Solve: \({x+3\over 4}={2x-3\over 5}\)

3

(a)

Solve: \({x+1\over 3}={x-2\over 4}+{1\over 3}\)

3

(a)

Solve: \({x+7\over 2x+3}={8\over 5}\)

3

(a)