Random Quiz 1- Conversation Discussion Plan

A student goes to school with a velocity of 20m/s and comes back with a velocity of 30m/s. Find the average velocity in m/s.

• 0

• 25

• 240

• 24

• The​ (a)   pumps oxygen-poor blood to the lungs, while the ​ (b)   pumps oxygen-rich blood to the body. 

The ​ (c)   receives oxygen-poor blood from the body, while the ​ (d)   receives oxygen-rich blood from the lungs.

• right ventricle
• left ventricle
• right atrium
• left atrium

Name the softest metal on Earth.

• Cesium

• Sodium

• Potassium

• Chromium

• Titanium

A stone is dropped from a certain height and another stone is dropped from the same height after 2 seconds. What will be their separation after 10 more seconds?

• 115.6m

• 15650cm

• 1.723km

• 215.6m

When a net external force acts on an object of mass m, the acceleration that results is directly proportional to the ________ and has a magnitude that is inversely proportional to the _______

A force on an object that is perpendicular to a common contact surface is called _______force.

Except the nucleus, which cell organelles have their own DNA?

• Mitochrondia

• Plastids (Chloroplasts)

• Golgi Body

• Lysosomes

Find the value of a, if x – a is a factor of x³ – ax² + 2x + a – 1.

• 1/3

• 3

• 2

• 1

a=(2+root3)/(2-root3). Find the sum of a and its reciprocal.

• 14

• -14

• 8xroot3

• -root3

In triangle ABC, angle A=70 degrees, angle B=60 degrees. If I is the incentre of ABC, find the magnitude of angle BIC in degrees.

• 110 degrees

• 120 degrees

• 125 degrees

• 135 degrees

If (3𝑥 − 4) ∶ (𝑦 + 15) is a fixed ratio and if 𝑥 = 7/3 , then 𝑦 = 12. Find the value of 𝑥 + 𝑦 when 𝑥 = 2.

• 20

• 18

• 7

• 2