11. Which of the following integers has the most number of divisors? |
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12. Find the L.C.M of 2/15, 3/10, 6/5 |
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13. What is the HCF of 2/3, 4/9 and 6/5 |
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14. What is the smallest number which when diminished by 8, is divisible by 9, 6, 12 and 18? |
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15. The HCF of two numbers is 42 and the other two factors of their LCM are 11 and 12. What is the largest number. |
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16. What is the least number which when divided by 6, 9, 12 and 18 leaves remainder 4 in each care? |
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17. Five bells ring together and ring at intervals of 2, 6, 8, 12 and 15 seconds respectively. How many times will they ring together in 60 minutes? |
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18. What is the greatest number which divides 29, 32, 38 and leaves same remainder in each case? |
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19. Reduce 4128/4386 to its lowest terms |
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20. 504 can be expressed as a product of primes as |
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