CBSE Class 6 Answered
Pencils come in packages of 10. Erasers come in packages of 12
Aayesha wants to purchase the smallest number of pencils and erasers, so that she will have exactly 1 eraser per pencil. How many packages of pencils and erasers should she buy?
Asked by dr.niveditasahoo | 21 Sep, 2023, 12:18: PM
Expert Answer
The smallest number of pencils and erasers, so that there is exactly 1 eraser per pencil is the LCM of the two numbers 10 and 12.
10 = 2 x 5
12 = 22 x 3
LCM(10, 12) = 22 x 3 x 5 = 60
Hence, there must be 60 pencils and 60 erasers.
So, Aayesha should buy 6 packages of pencils and 5 packages of erasers.
Answered by Renu Varma | 25 Sep, 2023, 10:52: AM
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