Ten years ago, fathers age was thrice the age of his daughter. Ten years hence, the fathers age will be twice that of his daughters. What will be ratios of their present ages?
7 : 4
9 : 5
11 : 7
7 : 3
Boost your performance with adaptive practice tests
Practice every concept in the syllabus
Compare your speed and accuracy with your peers
Download the app and practice on the go