551: The square root of the cube of this number is the cube of its square root. It is not 1 and it is less than 6. What is it ?

(a) 2

(b) 3

(c) 4

(d) 5
552: Consider the following factors:

1. Rotation of the Earth

2. Air pressure and wind

3. Density of ocean water

4. Revolution of the Earth

Which of the above factors influence the ocean currents?

(a) 1 and 2 only
(b) 1, 2 and 3
(c) 1 and 4
(d) 2, 3 and 4
553: The major source of revenue for executing Five-Year Plans is:

(a) Direct taxes

(b) Indirect taxes

(c) Foreign loans

(d) Interest on investments
554: At the time of India's Independence, Mahatma Gandhi was

(a) a member of Congress Working Committee

(b) not a member of the Congress

(c) the President of the Congress

(d) the General Secretary of the Congress
555: Which of the following are envisaged by the Right against Exploitation in the Constitution of India?

1. Prohibition of traffic in human beings and forced labour
2. Abolition of untouchability
3. Protection of the interests of minorities
4. Prohibition of employment of children in factories and mines

Select the correct answer using the code given below:

(a) 1, 2 and 4 only
(b) 2, 3 and 4 only
(c) 1 and 4 only
(d) 1, 2, 3 and 4