Question

Pens are sold in packs of 8 and not paid are sold in packs of 12. Find the least number of packs of each type that one should be so that there are equal number of pens and notepads.

Answer 1

Solution:- It is given that pens are sold in packs of 8 and not paid are sold in packs of 12.

Required number of equal pens and notepads for least number of packs of each type is the LCM of 8 and 12.

Now,

8 = 2 × 2 × 2

12 = 2 × 2 × 3

LCM = 2 × 2 × 2 × 3

Hence, least number of packs of pens

= 24/8

= 3

[Least number of packs of pens = 3 packs]

and least number of packs of notepads

= 24/12

= 2

[Least number of packs of notepads = 2 packs]

Answer 2

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