1.

1010 × 990 = ………………..A) 999900 B) 99099 C) 99000 D) 98900

Answer»

Correct option is  A) 999900

Correct option is (A) 999900

1010 \(\times\) 990 = (1000+10) (1000-10)

\(=(1000)^2-10^2\)

= 10,00,000 - 100

= 9,99,900



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