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Q.

What do we get if we multiply -23 by 67?


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a

None of the above 

b

-47

c

15 28

d

-12

answer is A.

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Detailed Solution

Multiplying;
2 3 by 6 7
Now, multiplying numerator by numerator and denominator by the denominator,
2 3 × 6 7 = 2×6 3×7 = 12 21 = 4 7 Therefore, multiplication of -23 by 67 is -47.
Hence, option 1 is correct.
 
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