A) Rs 6
B) Rs 8
C) Rs 10
D) Rs 2
Correct Answer: B
Solution :
We have, pair of linear equations as |
\[2x+3y=46\] ...(i) |
\[3x+5y=74\] ...(ii) |
Multiply the first equation by 5 and second equation by 3. |
\[10x\text{ }+\text{ }15y\text{ }=\text{ }230\] ...(iii) |
\[9x+15y=222\] ...(iv) |
Subtract the Eqs. (iv) for (iii) |
x=8 |
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