Integers

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  • Q1

    If we add -13 to the difference of -7 and 5, then, we get

    Marks:1
    Answer:

    -25.

    Explanation:
    Difference of -7 and 5 = -7 - 5 = -12. Now, -12 + (-13) = -12 - 13 = -25.
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  • Q2

    The sum of –50 and –200 is

    Marks:1
    Answer:

    –250

    Explanation:

    (–50) + (–200)
    = -–50 – 200
    = –250

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  • Q3

    The opposite of ‘increase in weight’ is

    Marks:1
    Answer:

    decrease in weight

    Explanation:

    If +20 represents increase in weight, then -20 represent decrease in weight of 20.

    So, opposite of "increase in weight" is "decrease in weight".

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  • Q4

    The sum of two integers is 23. If one of the integers is -11, the other integer is-

    Marks:1
    Answer:

    34

    Explanation:
    Let required integer be x.
                           Then according to question,
                            x + (-11) = 23
                            x = 23 + 11 = 34.
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  • Q5

    If we are at –6 on the number line, in which direction should we move & by how many jumps to reach –1?

    Marks:1
    Answer:

    Right by five jumps

    Explanation:
    –1 is towards the right hand side of –6. So, we will move towards right and by 5 jumps
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