CAT Questions

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Crime connected with illegal alcohol production and sale became a major issue so that even many people who had originally supported Prohibition decided that it needed to be repealed.

Skimming is the removal of any material or particles that are floating on the surface. Hence, Removal of oil and grease from sewage - waste water is called as skimming.

Ans.  Suppose the speed of boat in still water is x km/h and speed of stream is y km/h

Speedof boat in downstream = (x + y) km/h x+ y = 32 …(i) 

Speed of boat in upstream = (x – y) km/h

x – y = 28 …(ii)

Add. Eqs. (i) and (ii), we get 2x = 60

x = 30 km/h

The distance around a circle is called as Circumference. And that in the case of square or rectangle it is called as Perimeter.

The brain and spinal cord are two components of the Central nervous system which are responsible for sensory information.

The United States Federal Earned Income Tax Credit (EITC) is a refundable tax credit, that helps low and medium - income individuals and couples, primarily for those who have qualifying children. 

Wind and solar energy are examples of Renewable energies. 

Renewable energy sources are those which can be naturally replenished.