Question

1)The ascending arrangement of 2/3, 6/7, 13/21 is
a) 6/7, 2/3, 13/21
b) 13/21, 2/3, 6/7
c) 6/7, 13/21, 2/3
d) 2/3, 6/7, 13/21

2) Which of the following measures would be the sides of a triangle?

13 cm, 17 cm, 31 cm
13 cm, 17 cm, 15 cm
26 cm, 3 cm, 30 cm
13 cm, 17 cm, 30 cm

3)Find angle ∠x in the given figure, where AB ‖ EF
This is the question for the image
a)80°
b)70°
c)160°
d)198°

4)Find a pair of integers whose sum is not (-3)

a)106 + (-109)
b)(-305) + 305
c)197 + (-200)
d)561 + (-564)

5)The two interior opposite angles of a triangle are 44° and 81° . Find the measure of the exterior angle.

a)54°
b)125°
c)44°
d)64°

6)Which property will help us to evaluate the following: (57) x (-19) + 57?

a)Distributivity of Multiplication b)over addition/subtraction
c)Commutative Property
d)Associative Property
e)Identity Property

7)Which of the following statement is INCORRECT?

a)The sum of any two sides of a triangle is greater than the third side
b)A triangle can have all acute angles
c) A right-angled triangle cannot be equilateral
Difference of any two sides of d)a triangle is greater than the third side

8) Find the value of :-
12 4/5 divided by 5 7/9
a) 65/144
b) 73 43/45
c) 2 14/65
d) 61 3/4



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Answer 1

Answer:

1) b) 13/21, 2/3, 6/7

2) b) 13, 17, 15

3) b) 70⁰

4) b) (-305) + 305

5) b) 125⁰

6) as we know (+) × (-) = (-)

-(57 × 19) + 57 = -1083 + 57 = -1026

7) d)

8) b) 7343 /45