Question : Any data (or) instruction entered into the memory of the computer is called __________.

Option 1: hard copy

Option 2: input

Option 3: output

Option 4: information

Question : EEG records the activity of:

Option 1: heart

Option 2: lungs

Option 3: brain

Option 4: muscles

Question : What is the ratio of inradius and circumradius of an equilateral triangle?

Option 1: 1 : 2

Option 2: 1 : 3

Option 3: 1 : 4

Option 4: 3 : 2

Question : What is the valency of Boron?

Option 1: 2

Option 2: 3

Option 3: 4

Option 4: 1

Question : Three cars travelled a distance in the ratio 1 : 2 : 3. If the ratio of the time of travel is 3 : 2 : 1, then the ratio of their speed is:

Option 1: 3 : 9 : 1

Option 2: 1 : 3 : 9

Option 3: 1 : 2 : 4

Option 4: 4 : 3 : 2