4086: Unemployment insurance will result in:
(a) Maintenance of consumption level
(b) Decrease in consumption level
(c) Decrease in savings
(d) Increase in savings
4087: In how many different ways can all of 5 identical balls be placed in the cells shown below such that each row contains at least 1 ball ?
(a) 64
(b) 108
(c) 81
(d) 84
4088: Which one of the following reflects back more sunlight as compared to other three ?
(a) Sand Desert
(b) Paddy crop land
(c) Land covered with fresh snow
(d) Prairie land
4089: Which one of the following plants can fix nitrogen from air?
(a) Rice
(b) Wheat
(c) Pea
(d) Maize
4090: A free-floating astronaut A pushes another free-floating astronaut B in space. The mass of A is greater than that of B. The force exerted by the astronaut A on the astronaut B will be:
(a) Equal to zero.
(b) Equal to the force exerted by B on A.
(c) Greater than the force exerted by B on A.
(d) Less than the force exerted by B on A