3691: Each person's performance compared with all other persons is to be done to rank them subjectively. How many comparisons are needed in total, if there are 11 persons ?
(A) 55
(B) 66
(C) 54
(D) 45
3692: The lower Gangetic plain is characterised by humid climate with high temperature throughout the year. Which one among the following pairs of crops is most suitable for this region?
(a) Wheat and cotton
(b) Paddy and Jute
(c) Paddy and cotton
(d) Wheat and Jute
3693: 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
3694: Which of the following pairs are correct:
(1) The Indian Councils Act, 1909 - Provincial Autonomy
(2) The Government of Act, 1919 - Introduction of India Dyarchy
(3) The Government Act, 1935 - Proposal for a of India Federation of India
(4) The Indian Act, 1947 - Provincial Independence Legislature
(a) (1) and (4)
(b) (2) and (3)
(c) (1) and (3)
(d) (2) and (4)
3695: The speed of revolution of the earth in its orbit round the sun is
(a) Same throughout the year
(b) Greatest when the earth is nearest to the sun
(c) Greatest when the earth is farthest from the sun
(d) Least when the earth is nearest to the sun