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More Questions on This Topic :

Question 1. Replace the blank with an integer.

___ × (-13) = -143

: Let x be the integer to be found.​ x×(13)= -143 x =14313 = 11

Question 2. The pair of integers (a, b) such that a÷b = -4 is __________.
  1.    (-2, 2)
  2.    (8, -2)
  3.    (-4, 2)
  4.    (4, 1)
Answer: Option B
: B

2(2)=14 ​​​​​​​

8(2)=4 ​​​​​​​​​​​​​​

4(2)=24 ​​​​​​​​​​​​​​

4(1)=44 ​​​​​​​​​​​​​​



(8, -2) is the required pair.

Question 3. If 'a' and 'b' are any two integers and a+(b+c) = (a+b)+c. The property used here is __.

: If 'a' and 'b' are any two integers, then by associative property; a+(b+c) = (a+b)+c

Question 4. If you add -6 to 7 and then subtract -8 from the result, what will be the answer?
  1.    7
  2.    -7
  3.    9
  4.    10
Answer: Option C
: C

-6 + 7= 1 1 - (-8) = 1 + 8 = 9 Stand on -6 on the number line, then move 7 places to the right in order to add 7 to -6. You will reach 1. Now, move 8 places to the right to subtract -8 from 1. You will reach 9 i.e.1-(-8) = 1 + 8 = 9