SSC
Sample Paper
SSC (Group-C) Sample Test Paper-6
question_answer
The average age of 14 girls and their teacher's age is 15 years. If the teacher's age is excluded, the average reduces by 1. What is the teacher's age?
A) 32 years
B) 30 years
C) 29 years
D) 35 years
Correct Answer:
C
Solution :
Teachers age \[=15\times 15-14\times 14\] \[=225-196=29\]years