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The LCM of two numbers is 1200. Which...

The LCM of two numbers is 1200. Which of the following cannot be their HCF? (a) 600           (b) 500            (c) 400             (d) 200

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RD SHARMA ENGLISH-REAL NUMBERS-All Questions
  1. Two numbers have 12 as their HCF and 350 as their LCM (True/false).

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  2. The exponent of 2 in the prime factorisation of 144, is (a) 4       ...

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  3. The LCM of two numbers is 1200. Which of the following cannot be th...

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  4. If n=2^3xx3^4xx5^4xx7 , then the number of consecutive zeros in n ,...

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  5. The sum of the exponents of the prime factors in the prime factoris...

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  6. The number of decimal places after which the decimal expansion of th...

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  7. If two positive integers a and b are expressible in the form a=p q...

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  8. If two positive integers a and b are expressible in the form a =pq^2 a...

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  9. If two positive integers m and n are expressible in the form m=p q...

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  10. LCM of a and 18 is 36 and HCF of a and 18 is 2, then a= (a) 2 (b) 3 ...

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  11. The HCF of 95 and 152, is (a) 57            (b) 1            (c) 19 ...

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  12. a) 26           (b) 52              (c) 338             (d) 13

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  13. If a=2^3xx3,\ \ b=2xx3xx5,\ \ c=3^nxx5 and LCM (a ,\ b ,\ c)=2^3xx3^2x...

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  14. The decimal expansion of the rational number (14587)/(1250) will ter...

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  15. If p and q are co-prime numbers, then p^2 and q^2 are (a) coprime (b...

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  16. Which of the following rational numbers have terminating decimal (i) (...

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  17. If 3 is the least prime factor of number a and 7 is the least prime fa...

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  18. 3. 27 is (a) an integer (b) a rational number (c) a natural number...

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  19. The smallest number by which sqrt(27) should be multiplied to get a ...

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  20. The smallest rational number by which 1/3 should be multiplied so ...

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