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Q.

What must be subtracted from -1 to get -6?


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a

5

b

-5

c

7

d

-7 

answer is A.

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Detailed Solution

We have to find the number which should be subtracted from -1 to get -6.
Property: If a negative integer is subtracted from a positive integer then, the final value is the subtraction of both the integers having the sign of the greatest integer.
Let the number to be subtracted be x.
Using the property:
1x=6 x=61 x=5 Hence, 5 must be subtracted from 1 to get 6 .
Therefore, option 1 is correct.
 
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