1.

1 – 1 + 1 – 1 + ……………… 9 times = …………..A) -1 B) 2 C) 1 D) 9

Answer»

Correct option is (C) 1

1 – 1 + 1 – 1 + … 9 times

= (1-1) + (1-1) + (1-1) + (1-1) + 1

= 1

Correct option is  C) 1



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