Q 2: Determine the difference of the place values of two 7s in 17867? 6993 6932 6973

Q 3: Change 1010110 base two into decimal system. 76 96 86

Q 4: Find the GCF of 12 and 15. Answer:

Q 5: Any number is a factor of itself. False True

Q 6: What is the addiditive identity? Answer:

Q 7: Three planets revolve around the sun once in 200, 250 and 300 days respectively in their own orbits. When will they all come again to their present places? (Hint: Find the LCM of given numbers) 3050 3000 2500

Q 8: The LCM of two numbers is 1320 and their GCD is 12. If one of the numbers is 132, find the other. 120 150 260

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