Question

Which of the following numbers will have 6 at their unit's place :

• A. ${26}^2$
• B. ${49}^2$
• C. ${34}^2$
• D. ${43}^2$
• E. ${244}^2$
• F. ${68}^2$
• G. ${5626}^2$

Answer 1

Answer: (A), (C), (E), (G)

The correct options are
A ${26}^2$
C ${34}^2$
E ${244}^2$
G ${5626}^2$

(A) Unit place of ${26}^2$ = Unit place of $6^2$ = 6
(B) Unit place of ${49}^2$ = Unit place of $9^2$ = 1
(C) Unit place of ${34}^2$ = Unit place of $4^2$ = 6
(D) Unit place of ${43}^2$ = Unit place of $3^2$ = 9
(E) Unit place of ${244}^2$ = Unit place of $4^2$ = 6
(F) Unit place of ${68}^2$ = Unit place of $8^2$ = 4
(G) Unit place of ${5626}^2$ = Unit place of $6^2$ = 6