Question

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

Answer 1

Cost of 12 pencils  = Rs.21
Cost of 1 pencil = Rs.21/12 = Rs.1.75

1 Score  = 20 Pencils
Cost of 20 pencils = 1.75*20 = Rs.35

Answer 2

If cost one dozen pencil is 21
Then..
21÷12=1.75
So.. Cost of one pencil =Rs 1.75
1 score =20 pencils
Cost of 20 pencils
=1.75*20
=35..
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