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If the numbers a-b and a+b are twin prim...

If the numbers `a-b and `a+b` are twin primes then a and b are necessarily

A

Twin primes

B

Co-primes

C

Cannot say

D

None of these

Text Solution

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The correct Answer is:
B
Recall the prime numbers concept.
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PEARSON IIT JEE FOUNDATION-REAL NUMBERS AND LCM AND HCF -Concept application Level -1
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  5. The absolute value of 12xx(-3)+12-15 is

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

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

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

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

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

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

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