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M an N are two coprimes. Which of the fo...

M an N are two coprimes. Which of the following is/are true?

A

LCM (M,N)=`MxxN`

B

HCF(MltN)=1

C

Both a and b

D

Neither a nor b

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The correct Answer is:
C
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PEARSON IIT JEE FOUNDATION-NUMBER SYSTEM-CONCEPT APPLICATION (LEVEL 1)
  1. What is the additive identity element in the set of whole numbers? ...

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  2. Which of the following is /are true?

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  3. M an N are two coprimes. Which of the following is/are true?

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  4. If a=(-1)^(2009) and b=(-1)^(2010), then find the value of ab.

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  5. sqrt(X) is a perfect square. Which of the following is/are true?

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  6. root(3)(125/216)-sqrt(25/36)=

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  7. The HCF of two numbers is 6 and the product of two numbersis 360. Find...

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  8. If M and N are two natural numbers, then (LCM(M,N))/(HCF(M,N)) is

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  9. X is the smallest four -digit number formed by all the digit 0,1,2 and...

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  10. Find the least natural number which when divided by 6,9, 12 and 18 lea...

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  11. If r^(3)=1728 then find r

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  12. If two numbers are equal, then their LCM is equal to their HCF their L...

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  13. X is the perfect square. Which of the following is necessarily true?

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  14. The following are the steps inolved in converting 0.bar(23) into p/q ...

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  15. The following are the steps involved in finding the positive value of ...

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  16. Find the positive value of x from the equation x^(2)=8.1/36.1

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  17. The following are the steps involved in converting 1.bar(52) into p/q ...

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  18. Match Column A with Column B.

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  19. Match Column A with Column B.

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