L.C.M. of two prime numbers X and Y (x>y) is 161. The value of 3y-x is:
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Answer:
3y - x = - 2
Step-by-step explanation:
LCM of prime numbers is product of those two numbers.
xy = 161
xy = 23 x 7
Since x > 7
x = 23 and y = 7
∴ 3y - x = 3 (7) - 23
= 21 - 23
= - 2
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