Teaching BPSC बिहार प्राथमिक (1 to 5) शिक्षक भर्ती 4.0 Mock Test Quantitative Aptitude Ratio and Proportion Age
The ratio of the ages of father and son at present is 6 : 1. After 5 years the ratio will become 7 : 2. The present age of the son is
1
5 years
2
6 years
3
9 years
4
More than one of the above
5
None of the above