171: The succession of Delhi Sultans to the throne was generally:
(a) Hereditary
(b) After fight between brothers
(c) By killing the father
(d) Invasion
172: Assertion (A):
According to statistics, more female children, are born each year than male children in India.
Reason (R):
In India, the death rate of a male child is higher than that of the female child.
(a) Both A and R are true, and R is the correct explanation of A
(b) Both A and R are true, but R is not a correct explanation of A
(c) A is true, but R is false
(d) A is false, but R is true
173: Which one of the following Muslim rulers was hailed as the Jagadguru by his Muslim subjects because of his belief in secularism ?
(a) Husain Shah
(b) Zain-ul-Abidin
(c) Ibrahim Adil Shah
(d) Mahmud II
174: Which of the following chemicals in automobile-exhaust can cause cancer?
(a) Carbon monoxide
(b) Polycyclic hydrocarbons
(c) Lead
(d) Oxides of nitrogen
175: The world's fastest computer has been able to perform (as of Dec. 1996)
(a) 10'6 operations per second
(b) 10'9 operations per second
(c) 10'12 operations per second
(d) 10'15 operations per second