Question

The price of $2$ kg tea-leaves and $5$ kg sugar is Rs. $125$; and the price of $3$ kg tea-leaves and $8$ kg sugar is Rs. $192$ . Find the price of $4$ kg tea-leaves and $15$ kg sugar.

• A. Rs. $187$
• B. Rs. $267$
• C. Rs. $295$
• D. Rs. $423$

Answer 1

The correct option is C Rs. $295$

$2t+5s=125=>eqn13t+8s=192=>eqn2eqn1\times 3=6t+15s=375eqn2\times 2=6t+16s=384Subweget-s=-9s=Rs9Subs=9in12t+45=1252t=80t=40So4t+15s=4\left(40\right)+15\left(9\right)=160+135=Rs295$