1501: There are mice in the field which act as prey to snakes. Hawks eat the snakes. Some dogs are brought into the field ? What will be its effect?
(a) Mice will decrease
(b) Hawks will decrease
(c) Snakes will increase
(d) Mice and snakes will decrease
1502: In a rectangle with one side 4 cms, twelve equal squares are kept. There are three rows, each containing four squares. There is no empty space in between adjacent squares. What is the area of each square ?
(a) 5/7 sq cm
(b) 7/5 sq cm
(c) 1 sq cm
(d) 25/12 sq cm
1503: 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
1504: Through which one of the following groups of countries does the Equator pass ?
(a) Colombia, Kenya and Indonesia
(b) Venezuela, Ethiopia and Indonesia
(c) Brazil, Sudan and Malaysia
(d) Brazil, Zambia and Malaysia
1505: With reference to National Skills Qualification Framework (NSQF), which of the statements given below is/are correct?
1. Under NSQF, a learner can acquire the certification for competency only through formal learning.
2. An outcome expected from the implementation of NSQF is the mobility between vocational and general education.
Select the correct answer using the code given below:
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2