Question

The present ages of Grandmother and Grandfather are in 6:8 if the ratio of Grandmother age after 8 years and Grandfather age after 4 years becomes 5:7 then find the age of Grandmother before 20 years?

A 39 Correct Answer Incorrect Answer
B 51 Correct Answer Incorrect Answer
C 76 Correct Answer Incorrect Answer
D 88 Correct Answer Incorrect Answer

Solution

By using Cross product method We get present age of Grandmother is 108 20 years before 108-20 = 88-year ans.

Practice Next

Relevant for Exams:

×
×