Question

which of the following woodsquare will have won at unit place a 109 be at 22 c 77d 123

Answer 1

Answer:

Correct options are B) , C) and F)

Let's check each of the options one by one.

(A) 57

Unit place is 7. Its square is 49. Therefore 9 will be present at the unit place of square of 57.

(B) 81

Unit place is 1. Its square is 1. Therefore 1 will be present at the unit place of square of 81.

(C) 139

Unit place is 9. Its square is 81. Therefore 1 will be present at the unit place of square of 139.

(D) 73

Unit place is 3. Its square is 9. Therefore 9 will be present at the unit place of square of 73.

(E) 64

Unit place is 4. Its square is 16. Therefore 6 will be present at the unit place of square of 64.

(F) 831

Unit place is 1. Its square is 1. Therefore 1 will be present at the unit place of square of 831.