Question : C. P. U. consists of ____.

Option 1: Arithmetic and Logical Unit and Register

Option 2: Arithmetic and Logical unit, Register and Control unit

Option 3: System Unit and Memory

Option 4: Hard disk and Control unit

Question : What is speed?

Option 1: It is the distance covered by an object in a unit of time

Option 2: It is the velocity of an object per unit time

Option 3: It is the force applied on covering a unit distance

Option 4: It is the acceleration of an object per unit time

Question : The unit digit in the product $7^{71}\times 6^{59}\times 3^{65}$ is:

Option 1: $1$

Option 2: $2$

Option 3: $3$

Option 4: $4$

Question : The number of times a unit of money changes hands during the unit period is called the ________.

Option 1: velocity of circulation of money

Option 2: base money

Option 3: remittances

Option 4: zero economic profit

Question : The density of the population is expressed as:

Option 1: number of rural persons per unit area.

Option 2: number of literate persons per unit area.

Option 3: number of persons per unit area.

Option 4: number of animals and persons per unit area.