Two pens and three pencils cost Rs 86. four Pens and a pencil cost Rs. 112. find the cost of a pen.  Choose the correct choice from the following choices
A) 23	B) 34	C) 25	D) 26	E) 27
1 pen cost x,let 1 pencil cost y   2x+3y=86, ...y=(86-2x)/3   again,   4x+y=112   4x+(86-2x)/3=112   12x+86-2x=336   10x=250   x=25   ANSWER:25
<result>C</result>
Two pens and three pencils cost Rs 86. four Pens and a pencil cost Rs. 112. find the cost of a pen.