Question

40 Packets of pens each have 12 Pen is ruppes 1680 find the cost of 30 packets each contians 9 pens

Answer 1

The cost of 30 packets each containing 9 pens is Rs. 945.

Step-by-step explanation:

Step 1:

No. of the packets of pens = 40

No. of pens each packet contains = 12

The cost of 40 packets of pens containing 12 pens each i.e., cost of (40*12=) 480 pens = Rs. 1680

∴ The cost of each pen = 1680 / 480 = Rs. 3.5

Step 2:

Now,  

No. of packets = 30

Each packet contains = 9 pens

∴ The cost of (30*9=) 270 pens = 270 * Rs. 3.5 = Rs. 945

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If the cost of 30 packets of 8 pencils each is r 600,what is the cost of 25 packets of 12 pencils each?

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