Q4
Find the odd number/letters from the given alternatives.
A.
626
B.
841
AnswerC.
962
D.
1090
Answer: Option B
Solution
Answer: Option B
Solution:
626-1 = 625 = 252.
962-1 = 961 = 312.
1090-1 = 1089 = 332.
But,
841-1 = 840 (not a perfect square).
Otherwise, 841 is a perfect square of 29, other are not a perfect square.