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LCM of two numbers is 63 and their HCF is 21. Given that one number is 21, find the second number.
63
42
21
19
Since, HCF X LCM = PRODUCT OF NUMBERS
LET THE OTHER NUMBER BE X.
SO,ย ย ย 21 X 63 = 21 * X
X = 63 (ANS)
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