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For the word “BEADS” if their places are added in two then how many pairs result in odd?

For the word “BEADS” if their places are added in two then how many pairs result in odd? Correct Answer Six

Given word: IPHONE

Their mapping with places is as shown,

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Among the letters provided there are 2 even and 3 odd.

In order to get result as odd, odd must be added with even.

Therefore 2 evens are added to 3 odds to get the required result.

Thus a total of 2 × 3 = 6 pairs can be formed.

BE, BA, BS and DE, DA, DS are the odd resulting pairs.

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