3 votes 3 votes The number that least fits this set: (324, 441, 97 and 64) is ________. (A) 324 (B) 441 (C) 97 (D) 64 Logical Reasoning gate2016-ece odd-one-out + – cocgame asked Mar 14, 2017 cocgame 74 points 5.6k views answer comment Share See 1 comment See all 1 1 comment reply Shiva Sagar Rao 232 points commented Apr 22, 2021 reply Share Duplicate: GATE2016 EC-3: GA-4 0 votes 0 votes Please log in or register to add a comment.
Best answer 4 votes 4 votes 97 - all others are perfect squares while 97 is a prime number. $18^2 = 324$ $21^2 = 441$ $8^2 = 64$ Arjun answered Mar 14, 2017 • selected Mar 18, 2017 by cocgame Arjun 8.6k points comment Share See all 3 Comments See all 3 3 Comments reply cocgame 74 points commented Mar 15, 2017 reply Share Last yr iisc banglore has given answer C and D both as correct.. can you please tell me how it can be D 64 ? 0 votes 0 votes Arjun 8.6k points commented Mar 16, 2017 reply Share May be sum of the digits not being a perfect square. 3 votes 3 votes cocgame 74 points commented Mar 16, 2017 reply Share thanks buddy....this question was hitting my head from last 1 yr.... bythe way nice catch... 0 votes 0 votes Please log in or register to add a comment.