three brands A,B and C of biscuits are available in packets of 12 15 and 21 biscuit respectively. if A shopkeeper wants to buy an equal number of biscuits of each brand what is the minimum number of packets of each brand he should buy?
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Step-by-step explanation:
All you have to do is find the LCM of the given terms.
12, 15, 21 has LCM as 420
thus For Brand A
Number of packets = 420/12 = 35 packets
Thus for Brand B
Number of packets = 420/15 = 28 packets
Thus for Brand C
Number of Packets = 420/21 = 20 Packets
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