Number Theory CAT Level Qn 7 - QA for CAT

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Sum of two non-coprime numbers and their HCF equals 91. How many such pairs are possible?
(a) 2 (b) 4
(c) 3 (d) 6

For more CAT questions from Number Theory, visit -
http://iim-cat-questions-answers.2iim.com/quant/number-system/hcf-lcm/
Category
number theory Mahematics
Tags
number theory, math

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