4356: A student has 60% chance of passing in English and 54% chance of passing in both English and Mathematics. What is the percentage probability that he will fail in Mathematics ?
(a) 12
(b) 36
(c) 4
(d) 10
4357: If suitable Scheduled Caste/Tribe candidates are not available, the posts:
(a) May for the time being be filled by other candidates
(b) Are left vacant
(c) Are filled by Other Backward Classes candidates
(d) None of the above
4358: Which of the following is a living fossil?
(a) Blue green algae
(b) Green algae
(c) Fungus
(d) Ginkgo
4359: Microbial fuel cells are considered a source of sustainable energy, Why ?
1. They use living organisms as catalysts to generate electricity from certain substrates.
2. They use a variety of inorganic materials as substrates.
3. They can be installed in waste water treatment plants to cleanse water and produce electricity.
Which of the Statements given above is/are correct?
(a) 1 only
(b) 1 and 3 only
(c) 2 and 3 only
(d) 1, 2 and 3
4360: The first Trade Union in India was:
(a) Madras Labour Union
(b) Bombay Postal Union
(c) Printers Union of Calcutta
(d) All India Trade Union Congress