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The LCM of (1)/(4) and (2)/(5) is...

The LCM of `(1)/(4)` and `(2)/(5)` is

A

1

B

`(1)/(10)`

C

2

D

`(1)/(20)`

Text Solution

Verified by Experts

The correct Answer is:
C
LCM `=("LCM of numerators")/("GCD of Denominators") `
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PEARSON IIT JEE FOUNDATION-REAL NUMBERS AND LCM AND HCF -Concept application Level -1
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  2. 73412130 is exactly divisible by

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  3. The LCM of (1)/(4) and (2)/(5) is

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  4. The multiplicative inverse of (x+1)+(1)/(x-1) is

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  5. Find the unit's digit in the product of the first 50 odd natural numbe...

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  6. How many composite numbers are in between 50 and 100 (inclusive of 50 ...

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  8. Pick up the positive integers form the following numbers : (A) 0 (B)...

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  9. Find the absolute values of x- 2, where x < 2.

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  10. Which pair of numbers below are twin primes ?

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  11. Which of the following values are even ? (A)21+18+9+2+19 (B) 34xx2...

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  12. Express the following rational numbers as decimals and identify which ...

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  13. If the numbers a-b and a+b are twin primes then a and b are necessaril...

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  14. Which of the following statements are / is true ?

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  16. In the set of rational numbers, multiplicative identify is and the ad...

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  17. If a,b in P and a * b, in P. Then P is under the operation *.

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  18. What is the number in the units place of (763)^84 ?

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  19. The HCF of all the natural numbers from 200 to 478 is

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  20. Find the greatest number that divides 59 and 54 leaving remainders 3 a...

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