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Which pair of numbers below are twin pri...

Which pair of numbers below are twin primes ?

A

8 and 9

B

2 and 3

C

3 and 7

D

41 and 43

Text Solution

Verified by Experts

The correct Answer is:
D
Twin primes differ by 2.
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PEARSON IIT JEE FOUNDATION-REAL NUMBERS AND LCM AND HCF -Concept application Level -1
  1. Pick up the positive integers form the following numbers : (A) 0 (B)...

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

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  3. Which pair of numbers below are twin primes ?

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

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

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

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

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  8. The absolute value of 12xx(-3)+12-15 is

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

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

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

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

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

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  14. Find the HCF of the first 100 natural numbers.

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  15. Find the units digit in the expansion of (44)^44+(55)^55+(88)^88.

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  16. Find the least number exactly divisible by 36 and 24.

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  17. Find the digit in the units place of (676)^99.

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  18. The LCM of (5)/(12),(6)/(5),(3)/(2)and (4)/(17) is

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  19. Find the number of factors of 1080.

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  20. If p,q and r are prime numbers such that r=q+2 and q=p+2, then the num...

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