Question

The present ages of Parul and Sonia are in the ratio 5:7. If Parul was 9 years
older and Sonia 9 years younger, the age of Parul would have been twice the age
of Sonia. Find their ages.

Answer 1

Answer:

The present ages of Parul and Sonia are in the ratio 5:7. If Parul was 9 years

older and Sonia 9 years younger, the age of Parul would have been twice the age

of Sonia. Find their ages.

Step-by-step explanation:

Answer : Let the present ages of Parul and Sonia be 5k and 7k years. 7k +9 =2*(5k-9) => 7k +9 = 10k -18 => 27 = 3k => k = 9 years So the ages of Parul and Sonia at present => 45 years and 63 years . ji

Answer 2

Distillation, or classical distillation, is the process of separating the components or substances from a liquid mixture by using selective boiling and condensation. Dry distillation is the heating of solid materials to produce gaseous products.