Question

The unit digit of square root of 169 is
(a) 13
(b) 3
(c) 1
(d) none of these​

Answer 1

Answer:

(b) 3

Step-by-step explanation:

$\sqrt{169} = \sqrt{13 \times 13} = 13$

So we got the square root as 13,

Hence,

It's units place will be,

1 3

So it's unit place is 3 (Ans)

Answer 2

Answer:

Your answer is here:-

Step-by-step explanation:

13

As 13 x 13 = 169

so √169 = 13.

Hope it helps you.