1.

The Cost Of 16 Pens And 8 Pencils Is Rs.352 And The Cost Of 4 Pens And 4 Pencils Is Rs.96. Find The Cost Of Each Pen ?

Answer»

Let the COST of each pen and PENCIL be 'p' and 'q' respectively.

16p + 8q = 352 --- (1)

4p + 4q = 96

8p + 8q = 192 --- (2)

(1) - (2) => 8p = 160

=> p = 20

Let the cost of each pen and pencil be 'p' and 'q' respectively.

16p + 8q = 352 --- (1)

4p + 4q = 96

8p + 8q = 192 --- (2)

(1) - (2) => 8p = 160

=> p = 20



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