Question

I. One Mark Questions

1. Which one of the following is Correct?

a) – 50 +40 = 10

b) – 100+ (-20) = 120

c) 49+56 = 105

d) 78 +(–16) = -62

2. Which one of the following integers satisfies the equation that comes in the

box?

-80 + 30 = - 20

a) 40

(b) -30

(c) -40

(d) -70

3. Which property of addition satisfies the statement?

[(-345) + (-20)] + 67 = (-345) + [(-20) + 67]

a) Closure
​

Answer 1

Answer:

1} C) 49 + 56 = 105

2} b) -30

3) Associative Property

Step-by-step explanation:

1}

  1

-------

 4 9

+5 6

-------

1 0 5

Answer 2

Answer:

1 wrong 2 correct 3 right 4 right

Step-by-step explanation:

2 bit aur 3 bit nahi maalum par hope it helps you plz mark me as brainlest