The relative density of a liquid is the ratio of the
Mass of water to the mass of an equal volume of liquid
Upthrust in the liquid to the upthrust in water
Density of water to the density of the liquid
Upthrust in water to the upthrust in the liquid
Correct answer is B
No explanation has been provided for this answer.
Which of these factors causes a change in the quantity demanded of a commodity?
Income
Population
Price of other commodities
Price of the commodity concerned
Taste and fashion
Correct answer is D
No explanation has been provided for this answer.
Which of the following waves is both transverse and mechanical?
Water waves
Radio waves
Sound waves
X-rays
Correct answer is A
No explanation has been provided for this answer.
The value of money is affected by
Consumer’s income
Effective demand
Effective supply
Equilibrium price
General price level
Correct answer is E
No explanation has been provided for this answer.
The mean of the following scores
30, 32, 34, 36, 38, 40 and 42
What is the mean deviation?
4.21
3.24
3.42
4.54
Correct answer is C
No explanation has been provided for this answer.