Three brands A, B and C of chocolates are available in packets of 12, 15 and 21 respectively. If a shopkeeperwants to buy an equal number of chocolates, of each brand, what is the minimum number of packets of each brand, he should buy?
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Step-by-step explanation:
This is biased on LCM property. So, find the LCM of 12,15 and 21.
∴ The LCM of 12,15 and 21=2×2×3×5×7=420
Thus, required minimum number of packet of each brand
brand A=
12
420
=35
brand B=
15
420
=28 s
brand C=
21
420
=
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