3851: The term National Income represents
(a) Gross National Product at market prices minus depreciation
(b) Gross National Product at market prices minus depreciation plus net factor income from abroad
(c) Gross National Product at market prices minus depreciation and indirect taxes plus subsidies
(d) Gross National Product at market prices minus net factor income from abroad
3852: When iron rusts, the weight:
(a) Increases
(b) Decreases
(c) Remains the same
(d) First increases then decreases
3853: Which one of the following is the correct sequence in increasing order of molecular weights of the hydrocarbons ?
(a) Methane, ethane, propane and butane
(b) Propane, butane, ethane and methane
(c) Butane, ethane, propane and methane
(d) Butane, propane, ethane and methane
3854: In the 'Index of Eight Core Industries', which one of the following is given the highest weight?
(a) Coal production
(b) Electricity generation
(c) Fertilizer production
(d) Steel production
3855: Total internal reflection can take place when light travels from
(a) diamond to glass
(b) water to glass
(c) air to water
(d) air to glass