Q. 455.0( 2 Votes )
207 x 193 =?
A. 39851
B. 39951
C. 39961
D. 38951
Answer :
We have,
207 × 193 = (200 + 7) (200 – 7)
= (200)2 – (7)2
= 40000 – 49
= 39951
Hence, option B is correct
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