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Two numbers have 12 as their HCF and ...

Two numbers have 12 as their HCF and 350 as their LCM (True/false).

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RD SHARMA ENGLISH-REAL NUMBERS-All Questions
  1. If a and b are relatively prime numbers, then what is their HCF?

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  2. If a and b are relatively prime numbers, then what is their LCM?

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  3. Two numbers have 12 as their HCF and 350 as their LCM (True/false).

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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  20. 3. 27 is (a) an integer (b) a rational number (c) a natural number...

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