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GRADE: X
SUBJECT: Maths
READING SECTION:
HCF and LCM
HCF stands for Highest Common Factor
LCM stands for Lowest Common Multiple
HCF = Product of their common prime
factors
LCM = Products of their common
prime factors and remaining factors
Worked out Examples:
Use the formula of 𝑎2 + 𝑏2
= (a+b)2 − 2𝑎𝑏
Exercise: TYPE ONE
Type Two
Type Three (Mixed)
Contact Person:
Name: Ram Prasad Dhungana
Phone No.: 9841315843
Email Address: rp.dhungana2011@gmail.com
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