Ex $3.2$
Answer the following
Question $1 .$
Square of the number 7 is
(a) 14
(b) 49
(c) 21
(d) 28
Answer:
(b) 49
$\left[7^{2}=7 \times 7=49\right]$
Question 2.
64 is the square number of
(a) 4
(b) 16
(c) 8
(d) 32
Answer:
(c) 8
$\left[8^{2}=8 \times 8=64\right]$
Question $3 .$
Is 24 a square number?
Answer:
No
Question $4 .$
A number multiplied by is called square of that number.
Answer:
itself
Question $5 .$
Fill in the blank box.
Answer:
25
Question 6 .
$1,3,6$, __, 15, __,28
Answer:
10,21