571: The average speed of a train in the onward journey is 25% more than that of the return journey. The train halts for one hour on reaching the destination. The total time taken for the complete to and fro journey is 17 hours covering a distance of 800 km. The speed of the train in the onward journey is
(a) 45 km per hour
(b) 47.06 km per hour
(c) 50.00 km per hour
(d) 56.25 km per hour
572: Wealth tax on agricultural property is levied by:
(a) Central Government
(b) State Government
(c) Both the Central and State Governments
(d) None of the above
573: Deficit Financing means:
(a) Difference of total expenditure and income by revenue from all sources
(b) Government spends in excess of revenues so that a budget deficit is incurred which is financed by the borrowings
(c) Difference in borrowing and external and internal resources
(d) Capital expenditure on items of public construction, public enterprises and public borrowings
574: A ball bounces higher at high altitudes than in plains. This is because:
(a) The pressure on higher altitudes is lower than that in plains
(b) Downward pull due to gravity is less at higher altitudes
(c) The rarefied air offers less resistance to the ball
(d) You become more energetic at hills, so greater the force applied, higher goes the ball
575: Consider the following statements :
1. Steam at 100 Degree Celsius and boiling water at 100 Degree Celsius contain same amount of heat.
2. Latent heat of fusion of ice is equal to the latent heat of vaporization of water.
3. In an air-conditioner, heat is extracted from the room-air at the evaporator coils and is rejected out at the condenser coils.
Which of these statements is/are correct?
(a) 1 and 2
(b) 2 and 3
(c) Only 2
(d) Only 3