Question

What will be the unit digit of the squares of the

following numbers?

(i) 81 (ii) 272

(iii) 799 (iv) 3853

(V) 1234 (vi) 20387 (vii) 52698 (viii) 99880 (ix) 12796 (x) 55555​

Answer 1

Answer:

(i)1

(ii)4

(iii)1

(iv)9

(v)6

(vi)9

(vii)4

(viii)0

(ix)6

(x)5

Answer 2

i)1

ii)4

iii)1

iv)9

v)6

vi)9

vii)4

viii)0

ix)6

x)5