Question

Find unit digit of the following numbers if squared without actual calculation.
(a) 62958
(b) 88990
(c) 36827
(d) 1234
(e) 372
(1) 61
(g) 2863
(h) 350
(i) 99999​

Answer 1

Answer:

1000 ten thousant so its unit is thousant

1000

1000

100

10

100

100

1000