If the cost of six pens is Rs 66,which of the following is the cost of 15 such pens?
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Answer:
Rs. 165
Step-by-step explanation:
cost of six pens = Rs. 66
We need to find the cost on one pen first.
cost of one pen = 66 ÷ 6 = 11
∴ Cost of one pen is Rs. 11
Total cost of 15 pens = 11 × 15 = 165
∴The cost of 15 pens = Rs.165
Answered by
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the cost of 6 pens is given to be Rs. 66
First, we will find out the cost of 1 pen
Cost of 6 pens = 66
cost of 1 pen = 66 / 6
= 11
Now, we have to find the cost of 15 pens
Cost of 15 pens = 15 × 11
= 165
Hence, the cost of 15 pens will be Rs. 165
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