Grade-8(8/7/24)

What should be added to -5/4 to get -1?  

• -3/4
• 1/4
• 1/2
• -1/4

What should be subtracted from -5/4 to get -1?  

• -1/4

• -2/3
• -3/4
• -1/2

Which of the following is the Multiplicative identity element?  

 

• 1

• -1

• 0

• None of these 

Which of the following is the Additive identity for rational numbers?  

• 1

• -1

• 0

• None of these

Which of the following is neither a positive nor a negative rational number?  

• 1

• 0

• Such a rational number does not exist

• None of these  

Two adjacent sides AB and BC of a parallelogram ABCD are in the ratio 5 : 3. If the perimeter is 48 cm, what is the length of AB and BC (in cm)?  

(a)  

Five angles of a hexagon are 150°, 95°, 80°, 135° & 125°. Find the sixth angle.

How many diagonals are there in a hexagon?

• 8

• 6

• 9

• 7

Find the measure of each interior angle of a regular pentagon(in degree). 

(a)  

One angle of a parallelogram is 60°. Find its opposite angle and the adjacent angle

• Opposite angle 60°

  Adjacent angle 120°

• Opposite angle 120°

  Adjacent angle 60°

• Opposite angle 160°

  Adjacent angle 20°

• Opposite angle 120°

  Adjacent angle 120°