Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test Quantitative Aptitude Problem on Age
Ten years ago, the average age of A, B and C is 20 years. After ten years from now, the average age of A and B is 45 years. Find the present age of C.
1
40 years
2
20 years
3
30 years
4
More than one of the above
5
None of the above