Three brands A, B, and C of biscuits are available in packets of 12, 15, and 21 biscuits respectively. If a shopkeeper wants to buy an equal number of biscuits of each brand, what is the minimum number of packet of each brand he should buy?
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Answer: There are 420 number of packets of each brand he should buy.
Step-by-step explanation:
Since we have given that
biscuits in brand A = 12
biscuits in Brand B = 15
biscuits in Brand C = 21
ATQ, a shopkeeper wants to buy an equal number of biscuits, of each brand.
∴ We need to find the the minimum number of packets of each brand.
For minimum number of packets, we should find the LCM.(least common multiple)
LCM of 12, 15, and 21→
As we know that L.C.M. of 12, 15, 21 = 420.
Hence, there are 420 number of packets of each brand he should buy.
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