Question

If the cost of a dozen pencils is * 30, what will be the cost of
20 such pencils?​

Answer 1

Answer:

1 dozen = 12nos.

So, cost of 12 pencils = 30

Hence, cost of 1 pencil = 30/12

The cost of 1 pencil = 2.5

Hence, cost of 20 pencils = 2.5 × 20 = ₹50

Cost of 20 pencils = ₹50