1766: How many minimum number of colours will be required to paint all the sides of a cube without the adjacent sides having the same colours?

(a) 3

(b) 4

(c) 5

(d) 6
1767: With reference to the Genetically Modified mustard (GM mustard) developed in India, consider the following statements :

1. GM mustard has the genes of a soil bacterium that give the plant the property of pest-resistance to a wide variety of pests.
2. GM mustard has the genes that allow the plant cross-pollination and hybridization.
3. GM mustard has been developed jointly by the IARI and Punjab Agricultural University.

Which of the statements given above is/are correct ?

(a)1 and 3 only
(b)2 only
(c)2 and 3 only
(d)1, 2 and 3
1768: Black hole is:

(a) A magnetic dark cavity

(b) Name of a star

(c) A hole in the moon

(d) A dying star
1769: With reference to the history of ancient India, which of the following was/were common to both Buddhism and Jainism?

1. Avoidance of extremities of penance and enjoyment

2. Indifference to the authority of the Vedas

3. Denial of efficacy of rituals

Select the correct answer using the codes given below:

(a) 1 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
1770: The problem of international liquidity is related to the non-availability of

(a) goods and services
(b) gold and silver
(c) dollars and other hard currencies
(d) exportable surplus