Latest MBA Aptitude Question SOLUTION: (a,b)is an ordered pair such that a, b are two two digit numbers. when a interchange it's digit becomes b. How many ordered pair are there such that (a-b) is a perfect square excep

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(#M40016936) MBA question number systems, progressions Keep an EYE

(a,b)is an ordered pair such that a, b are two two digit numbers. when a interchange it's digit becomes b. How many ordered pair are there such that (a-b) is a perfect square except zero ?

1) 3
2) 10
3) 13
4) none of these

Asked In MBA (11 years ago)

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