2431: In a tournament each of the participants was to play one match against each of the other participants. 3 players fell ill after each of them had played three matches and had to leave the tournament. What was the total number of participants at the beginning, if the total number of matches played was 75 ?
(A) 12
(B) 10
(C) 8
(D) 15
2432: In what way does the Indian Parliament exercise control over the administration?
(a) Through Consultative Committees of various ministries
(b) Through Parliamentary Committees
(c) By making the administrators send periodic reports
(d) By compelling the executive to issue writs
2433: Consider the following statements:
1. The axis of the earth's magnetic field is inclined at 23 1/2 degree to the geographic axis of the earth.
2. The earth's magnetic pole in the northern hemisphere is located on a peninsula in northern Canada.
3. Earth's magnetic equator passes through Thumba in South India.
Which of the following statements given above is/are correct?
(a) 2 only
(b) 3 only
(c) 2 and 3
(d) 1, 2 and 3
2434: Consider the following statements:
Coal sector was nationalized by the Government of India under Indira Gandhi.
Now, coal blocks are allocated on lottery basis.
Till recently, India imported coal to meet the shortages of domestic supply, but now India is self-sufficient in coal production.
Which of the statements given above is/are correct?
(a) 1 only
(b) 2 and 3 only
(c) 3 only
(d) 1, 2 and 3
2435: In a class there are 18 boys who are over 160 cm tall. If these boys constitute three-fourths of the boys and the total number of boys is two-third of the number of students in the class, then what is the number of girls in the class?
(a) 6
(b) 12
(c) 18
(d) 24