2726: Which number does not fit in the series

0, 1, 3, 6, 10, 15, 21, 28, 37, 45

(a) 0

(b) 21

(c) 37

(d) 45
2727: 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
2728: The only land-locked country in South-east Asia is

(a) Laos

(b) Thailand

(c) Malaysia

(d) Kampuchea
2729: Which of the following is not true about the paintings of Mughal period?

(a) Religious scenes were depicted

(b) Scenes of nature were depicted

(c) Court and cultural scenes were depicted to balance communal harmony

(d) Scenes of battles were depicted
2730: With reference to Asian Infrastructure Investment Bank (AIIB), consider the following statements:

1. AIIB has more than 80 member nations.
2. India is the largest shareholder in AIIB.
3. AIIB does not have any members from outside Asia.

Which of the statements given above is/are correct?

(a) 1 only

(b) 2 and 3 only

(c) 1 and 3 only

(d) 1, 2 and 3