22. Three brands A, B and C of bisc...
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22. Three brands A, B and C of biscuits are available in packets of 12, 15 and 21 biscuits respectively. If a shopkeepeer wants to buy an equal number of biscuits, of each brand, what is the minimum number of packets of each brand, he should buy?

11th - 12th Class
Physics
Solution
233
Rating
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( operatorname{LCM} operatorname{dod} 2,15,21 ) ( 12=272 times 2 times(3) ) ( 15=(3 times 5 ) ( 2=0 times 7 ) ( angle C M=3 times 2 times 2 times 5 times 7 ) ( =420 ) briscuits
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