Question

EXERCISE
8
g
1. Seeing the value of the digit at unit's place,
state which of the following can be square of
a number?
(i) 3051 (ii) 2332 (iii) 5684
(iv) 6908 (v) 50699
2. Squares of which of the following numbers will
have 1 (one) at their unit's place ?
(1) 57
(ii) 81
(iii) 139
(iv) 73
(v) 64​

Answer 1

Step-by-step explanation:

1. we know that unit's place of a square number will always end with 0,4,5,6 or 9.

.

. . the following can be the square of a number

3051, 5684, 50699

2. we know that squares the numbers having 1 and 9 in the unit's place end with 1 in the unit's place

so, 81. 139 are the numbers