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Question

The sum of the multiplicative inverse of 57 and additive inverse of 75 equals

A
75
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B
57
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C
1
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D
0
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Solution

The correct option is D 0
Multiplicative inverse of a number is that number which when multiplied with the given number, gives 1.
Multiplicative inverse of 57 is 75, since 57×75=1
Additive inverse of a number is a number that when added to a given number, gives 0.
Additive inverse of 75 is 75, since 75+(75)=0
Now, the required sum is 75+(75), which equals 0.

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