three brands A,Band C of Biscuits are available in packets of 12,15 and21 biscuits respecitively. 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? give the answer with process.
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Answer:
Packet with 12 bis.=35
Packet with 15 bis.=28
Packet with 21 bis.=20
Step-by-step explanation:
We have to take LCM of the numbers
2 12,15,21
7 6,15,21
5 6,15,3
2 6,3,3
3 3,3,3
1,1,1
LCM = 2*2*7*5*3=420
Now divide 420 with 12,15 and 21
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