Five years ago, the average age of 4 girls was 7 years. On joining a new girl, the present average age becomes 13 years. The current age of the new girl is:

Harsha is 40 years old and Ritu is 60 years old. How many years ago was the ratio of their ages 3 : 5 ? 

The ratio of present ages of Shyam and Sohan is 7: 8 respectively. Four year hence this ratio becomes 9: 10 respectively. What is Shyam's present age in years?

The product of the ages of Swati and Aparna is 120. If thrice the age of Aparna is more than Swati's age by 2 years, fund the age of Swati.

The sum of the present ages of Varun and Kapil is 42 years. The ratio of their ages after 5 Years will be 15 : 11. What is the present age of Kapil? 

The ratio of the ages of Esha and her mother is 1 : 4 and the ratio of the ages of Esha's mother and her brother is 9 : 1. If Esha's brother is 5 years younger than Esha. What will be the age of Esha's mother after 4 years?

Two years ago, the average age of Ram and Shyam was 26 years. Five years hence, the age of Ram will be 40 years and Shyam is 5 years younger than Mohan, then find the difference between the age of Ram and Mohan.

Present ages of father and the son are in the ratio of 6 :1 respectively. 4 year hence the ratio of their ages will become 4:1 respectively. What is the son's present age ?