2021: Paraffin is a by-product of
(a) Petroleum refining
(b) Processing of agricultural wastes
(c) Cottage industries involving beekeeping
(d) Leather industry
2022: Rainfall on the east coast of Tamil Nadu occurs during October to November due to
(a) Winter monsoon
(b) Retreating south-west monsoon
(c) North-west monsoon
(d) Local winds
2023: Guinea pigs used in medical research are:
(a) Rodents
(b) Black swine
(c) Stocky and brown in colour
(d) Found in Asia only
2024: Which one of the following issues the 'Global Economic Prospects' report periodically?
(a) The Asian Development Bank
(b) The European Bank for Reconstruction and Development
(c) The US Federal Reserve Bank
(d) The World Bank
2025: In a factory, quality assurance test is conducted on various samples for a specific characteristic value of the product. The values and the number of samples are as given in the following table :
Characteristic value, X No. of Samples
10 3
11 7
12 10
13 15
14 28
15 33
16 24
17 11
18 10
19 6
20 3
Consider the following statements based on the table :
I. The probability that X ≤ 15 is 0.64.
II. The probability that 13 < X ≤ 17 is greater than 0.64.
III. The probability that X = 15 is less than 0.22.
Which of the above statements is/are not true?
(a) I alone
(b) I and II
(c) II and III
(d) I, II and III