Aptitude - Numbers - Discussion

Discussion Forum : Numbers - General Questions (Q.No. 43)
43.
Which one of the following is the common factor of (4743 + 4343) and (4747 + 4347) ?
(47 - 43)
(47 + 43)
(4743 + 4343)
None of these
Answer: Option
Explanation:

When n is odd, (xn + an) is always divisible by (x + a).

Each one of (4743 + 4343) and (4747 + 4347) is divisible by (47 + 43).

Discussion:
17 comments Page 2 of 2.

Prakash sahani said:   10 years ago
Any one kindly described in detail, detail and logically? Please.

Sumitjain said:   1 decade ago
@Anil. can you explain nicely?

Anil said:   1 decade ago
a^n - b^n is divisible by a+b when n is even.

Madhu said:   1 decade ago
How we solve when it will be an even number?

Pratibha said:   1 decade ago
What if the number is even?

Vamsi Krishna said:   1 decade ago
When n is odd, (xn + an) is always divisible by (x + a).

Then when n is even , what will be the result??

Arulprakash said:   1 decade ago
What is meant by common factor? can anyone explain?


Post your comments here:

Your comments will be displayed after verification.