Additional Questions
Question 1.
Square of the number 9 is
(a) 81
(b) 49
(c) 21
(d) 81
Answer.
(d) 81
Question $2 .$
49 is the square number of
(a) 4
(b) 16
(c) 9
(d) 5
Answer.
(a) 7
Question $3 .$
Is 36 square number?
Answer:
Yes, $4^{2}$
Question $4 .$
$2,3,5$,
12 , 23
Answer:
8,17