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Maths, Addmaths and Statistics: Post your doubts here!

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for question 14 b. you should know that when we take HCF we take the minimum power of common numbers and for LCM we take the maximum power of common number with other numbers. in this case in LCM the max power of 2 is 3 so p=3 and you can see that in HCF the power of 5 is 2 so q must be 2 as it is the least power. and for 7 its easy in the LCM it has a power of 1 means the max so r=1 . this is the way i do such questions i hope i have made a good effort :)
 
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for question 14 b. you should know that when we take HCF we take the minimum power of common numbers and for LCM we take the maximum power of common number with other numbers. in this case in LCM the max power of 2 is 3 so p=3 and you can see that in HCF the power of 5 is 2 so q must be 2 as it is the least power. and for 7 its easy in the LCM it has a power of 1 means the max so r=1 . this is the way i do such questions i hope i have made a good effort :)
jazakallah!
 
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