1776: If the difference in time of the two places is 2 hours and 20 minutes, then the difference in their longitudes would be

(a) 30°

(b) 35°

(c) 40°

(d) 45°
1777: When a number X is added to 4/X, the result is 4. Therefore X is:

(a) 2

(b) 3

(c) 4

(d) 8
1778: Consider the following statements :

Glass can be etched or scratched by

I. diamond.
II. hydrofluoric acid.
III. aquaregia.
IV. cone, sulphuric acid.

Which of these statements are correct ?

(a) I and IV

(b) II and III

(c) I and II

(d) II and IV
1779: In a meeting, the map of a village was placed in such a manner that south-east becomes north, north-east becomes west and so on. What will south become ?

(A) North-east
(B) North
(C) North-west
(D) West
1780: The largest number of Buddhists is found in

(a) Bihar
(b) Karnataka
(c) Maharashtra
(d) Uttar Pradesh