Ranjit went to the market with Rs. 100. If he buys 3 pens and 6 pencils he uses up all his money. On the other hand, if he buys 3 pencils and 6 pens he would fall short by 20%. If he wants to buy equal number of pens and pencils, how many pencils can he buy?  Choose one
A) 222
B) 277
C) 267
D) 100
E) 221
Let price of a pen = x and pencil = y   3x + 6y = 100 ....(i)   and 6x + 3y = 125 ....(ii)   Adding (i) and (ii)   9(x + y) = 225   x + y = 25   multiply by 4   4x + 4y = 100   He can by 4 pens and 4 pencils in Rs. 100.   Answer:100
<result>D</result>
Ranjit went to the market with Rs. 100. If he buys 3 pens and 6 pencils he uses up all his money. On the other hand, if he buys 3 pencils and 6 pens he would fall short by 20%. If he wants to buy equal number of pens and pencils, how many pencils can he buy?