Q 1: Find the L.C.M. of 50, 60, 70. Answer:

Q 2: Determine the sum of the place values of two 7s in 17347. 7993 7000 7007

Q 3: Find the LCM of 102, 153. 106 306 206

Q 4: Change 1010110 base two into decimal system. 76 86 96

Q 5: Which is the least prime number? Answer:

Q 6: The LCM of two numbers is 1320 and their GCD is 12. If one of the numbers is 132, find the other. 120 260 150

Q 7: Find the L.C.M. of 5, 7, 11. Answer:

Q 8: What is the multiplicative identity? Answer:

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