CAT 2019 Slot 2 QA Q22 Number Systems

Question 22 of the Quantitative Ability (QA) section, CAT 2019 Slot 2, with CAT's official answer.

How many pairs (m,n) of positive integers satisfy the equation the equation m2 + 105 = n2? [TITA]

TITA: type in the answer. There are no options and no negative marking.

Answer: 4 Number Systems TITA

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Same concept in other years

See every question on Integer equations solved by listing factor pairs.

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