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the cost of 1 pencil, 2 pens and 4 erasers is Rs. 22. Cost of 5 pencils, 4 pens and 2 erasers is Rs. 32. How much is the cost of 3 pencils, 3 pens and 3 erasers?

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27 Rs.

If cost of a pencil=x, pen=y & eraser=z, then
x+2y+4z=22 ---(i)
5x+4y+2z=32 ---(ii)
Adding (i) & (ii), 6x+6y+6z=54, So 3x+3y+3z=27
9 years agoHelpfull: Yes(5) No(0)

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