516: Consider the following features of newer models of motor cars :
I. Radial tyres
II. Streamlined body
III. Multipoint fuel injection
IV. Catalytic converter with exhaust
Which of these features make the newer models of motor cars more fuel efficient ?
(a) I and II
(b) II and III
(c) II, III and IV
(d) I, III and IV
517: What was the immediate reason for Ahmad Shah Abdali to invade India and fight the Third Battle of Panipat ?
(a) He wanted to avenge the expulsion by Marathas of his viceroy Timur Shah from Lahore
(b) The frustrated governor of Jullundhar Adina Beg Khan invited him to invade Punjab
(c) He wanted to punish Mughal administration for non-payment of the revenues of the Chahar Mahal (Gujarat, Aurangabad, Sialkot and Pasrur)
(d) He wanted to annes all the fertile plains of Punjab up to the borders of Delhi to his kingdom
518: Which of the following States lies partly to the north of the Himalayas ?
(a) Himachal Pradesh
(b) Arunachal Pradesh
(c) Jammu & Kashmir
(d) Sikkim
519: The letters L, M, N, O, P, Q, R, S and T in their order are substituted by nine integers 1 to 9 but not in that order, 4 is assigned to P. The difference between P and T is 5. The difference between N and T is 3. What is the integer assigned to N?
(a) 7
(b) 5
(c) 4
(d) 6
520: Consider the following statements:
1. The Standard Mark of Bureau of Indian Standards (BIS) is mandatory for automotive tyres and tubes.
2. AGMARK is a quality Certification Mark issued by the Food and Agriculture Organisation (FAO).
Which of the statements given above is/are correct?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2