Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test Quantitative Aptitude Ratio and Proportion Third Proportional
If the third proportional to 9 and 42 is 3α + 7, then find the value of α.
1
63
2
196
3
189
4
More than one of the above
5
None of the above