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The L.C.M of a² – 2a – 3 and a³ + a² + a + 1 is
The HCF of two numbers is 6 and their LCM is 84. If one of these numbers is 42, then the second number is:
HCF and LCM of two positive numbers are 24 and 144. If one number is 50% more than the other number, then find the sum of both numbers
The HCF of two numbers 110 and 1980 is:
Find the smallest multiple of 10 that, when divided by 4, 6, and 9, leaves a remainder of 4 in each case.
Find the HCF of 245, 350 and 385.
How many pairs of natural numbers (x, y) exist such that x>y and the product of x, y and HCF (x, y) = 2520? solve this