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If two positive integers a and b are exp...

If two positive integers a and b are expressible as `a = x^(3) y` and `b = x^(2) y^(3)` x and y being prime numbers, then HCF (a, b) is ..........

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The correct Answer is:
`x^(2)y`
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KUMAR PRAKASHAN-REAL NUMBERS -OBJECTIVE QUESTIONS
  1. The decimal expansion of 13211/1250 terminates after ........ decimal...

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  2. If two positive integers a and b are expressible as a = x^(3) y and b ...

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  3. The product of two consecutive positive integers is always divisible b...

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  4. HCF (156 , 455) = ........

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  5. LCM (220, 60) = ..........

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  6. If the square of any positive integer a is divided by 6, the remainder...

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  7. According to Euclid’s division lemma, for positive integer a and 5, if...

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  8. The greatest four digit number that is divisible by 95 is ..........

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  9. Any positive odd integer a is of the form ........ for some integer m.

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  10. The LCM of the smallest prime number and the smallest composite number...

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  11. For two positive integers a and b, if HCF (a, b) = 7 and LCM (a, b) = ...

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  12. The prime factorisation of 98 is ...........

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  13. From the given factor tree, the values of x and y are ......... respec...

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  14. ......... is not an irrational number. √6 √5 √4 √3

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  15. ......... is a rational number between sqrt(2) and sqrt(3) a. 4/5...

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  16. If the HCF of 65 and 117. is expressible in the form 65m - 117, then t...

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  17. The largest number which divides 70 and 125 leaving remainders 5 and 8...

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  18. The decimal expansion of (27)/(2^(113)xx5^(110)) no terminates after ...

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  19. Given positive integers a and b, there exists unique integers q and r ...

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  20. What is the HCF of 65 and 117?

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