Question

the ratio of ages of Urooj, Aroma and Sumaira is 4:5:7 and sum of their
ages is two less than a half century. Find Sumaira's
present age?​

Answer 1

Answer:

The present age of Sumaira is 21 years.

Step-by-step explanation:

Given :

• The ratio of ages of Urooj, Aroma and Sumaira is 4:5:7
• Sum of their ages is two less than a half century.

To find :

Sumaira's present age

Solution :

Let the present ages of

• Urooj be 4x years
• Aroma be 5x years
• Sumaira be 7x years

The sum of their ages = 100/2 - 2

 4x + 5x + 7x = 50 - 2

  16x = 48

    x = 48/16

    x = 3

The value of x is 3.

So, the present ages of

• Urooj = 4 × 3 = 12 years
• Aroma = 5 × 3 = 15 years
• Sumaira = 7 × 3 = 21 years

Therefore, the required present age of Sumaira is 21 years.