Which of the following statements is correct about a machine?
Efficiency of a machine is always greater than I
Efficiency decreases with an increase in friction
Velocity ratio depends on friction
Mechanical advantage increases with an increase in friction
Correct answer is B
No explanation has been provided for this answer.
The following methods are used in calculation of National Income EXCEPT
Depreciation
Expenditure
Income
Output
Value added
Correct answer is A
No explanation has been provided for this answer.
80cm
40cm
50cm
70cm
Correct answer is B
No explanation has been provided for this answer.
Which of the following measures can be used to control inflation?
Decrease in bank rate
Decrease in taxation
Deficit budget
Export drive
Increase in government expenditure
Correct answer is D
No explanation has been provided for this answer.
Is quadrupled
Is halved
Remains the same
Is double
Correct answer is D
No explanation has been provided for this answer.