Q: 8 (CAPF/2012)

ExamRobot is now available as Android Mobile APP. Please use the APP for the most up-to-date features and updates.


 Get it on Google Play
The average of x, y and z is 30, and the average of x and y is 20. What is the value of z?
question_subject: 
Maths
question_year: 
2012
question_exam: 
CAPF
stats: 
0,232,176,112,56,8,232