Question

If one dozen pencil cast Rs 21. Find the cost of one score pencils.

Answer 1

Given : One dozen pencils cost Rs 21

we know 1 dozen =12 , So

12 pencils cost is Rs. 21

Then

1 pencil cost is 2112 = Rs. 1.75
And

1 Score = 20

So,

Cost of one score of pencils = 20 × 1.75 = Rs.35 Ans )
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Answer 2

I score equals 20.
Therefore the cost will be,
21/12×20
=₹35
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