"The cost of one pencil, two pens and four erasers is Rs 22 while the cost of five pencils,
Channel: Doubtnut
Date: 2020-04-05

"The cost of
 one pencil, two pens and four erasers is Rs 22 while the cost of five
 pencils, four pens and two erasers is Rs 32. How much will three pencils,
 three pens and three erasers cost?
(a) Rs
 21 (b) Rs 24 (c) Rs 27 (d) Rs 30"