4476: 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
4477: For which one of the following countries is Spanish not an official language?
(a) Colombia
(b) Cuba
(c) Republic of Congo
(d) Chile
4478: Consider the following pairs:
Medieval Indian State : Present Region
1. Champaka : Central India
2. Durgara : Jammu
3. Kuluta : Malabar
Which of the above pairs is / are correctly matched?
(a) 1 and 2
(b) 2 only
(c) 1 and 3
(d) 1 and 3 Only
4479: In October 1920, who of the following headed a group of Indians gathered at Tashkent to set up a Communist Party of India?
(a) M. C. Chagla
(b) H. K. Sarkar
(c) M. N. Roy
(d) P. C. Joshi
4480: Examine the following statements :
I. All members of Mohan's family are honest.
II. Some members of Mohan's family are not employed.
III. Some employed persons are not honest.
IV. Some honest persons are not employed.
Which of the following inferences can be drawn from the above statements ?
(a) All members of Mohan's family are employed
(b) The employed members of Mohan's family are honest
(c) The honest members of Mohan's family are not employed
(d) The employed members of Mohan's family are not honest