Question

if a natural number and with 9 then its square will end with digit (a) 9.
(b) 2
(c) 1.
(d ) none of these​

Answer 1

Answer:

I guess it is 1

Step-by-step explanation:

I hope it is correct

Answer 2

Question:

The numbers having 9 in the units place, then its square ends with _______.

Answer:

c) 1

Explanation:

Take any example with 9 in the units place

9 × 9 = 81

19 × 19 = 361

29 × 29 = 841

You will observe every digit in the number is ending with 1