Home
SELF STUDY
BrowsePracticeTestsPlaylistDoubts & solutionsFree live classesOther courses

Crash Course

Quick practice

Question 1 of 5

The average age of three boys is 24 years. If their ages are in the ratio 4:5:9, then the age of the youngest boy is:


A

12 years

B

14 years

C

20 years

D

16 years

Get unlimited practice with UPSC CSE - GS subscription

pick

Boost your performance with adaptive practice tests

pick

Practice every concept in the syllabus

pick

Compare your speed and accuracy with your peers

pick

Download the app and practice on the go