971: In a tournament 14 teams play league matches. If each team plays against every other team once only then how many matches are played ?
(A) 105
(B) 78
(C) 85
(D) 91
972: An equilateral triangular plate is to be cut into n number of identical small equilateral triangular plates. Which one of the following can be possible value of n?
(A) 296
(B) 216
(C) 256
(D) 196
973: Which of the following are regarded as the main features of the "Rule of Law" ?
1. Limitation of powers
2. Equality before law
3. People's responsibility to the Government
4. Liberty and civil rights
Select the correct answer using the code given below :
(a) 1 and 3 only
(b) 2 and 4 only
(c) 1, 2 and 4 only
(d) 1, 2, 3 and 4
974: Total internal reflection occurs when light travels from:
(a) A rarer medium to a denser medium
(b) A denser medium to a rarer medium
(c) A rarer medium to a denser medium and the angle of incidence is less than the critical angle
(d) A rarer medium to a denser medium and the angle of incidence is greater than the critical angle
975: What happens when alcohol is taken in excess?
(a) It destroys the liver
(b) It produces inflammation of the stomach
(c) It causes the heart to become weak
(d) All of the above