1376: National Income is the

(a) Net National Product at market price

(b) Net National Product at factor cost

(c) Net Domestic Product at market price

(d) Net Domestic Product at factor cost
1377: The working principle of a washing machine is

(a) centrifugation

(b) dialysis

(c) reverse osmosis

(d) diffusion
1378: Consider the following events :

I. Indigo Revolt

II. Santhal Rebellion

III. Deccan Riot

IV. Mutiny of the Sepoys

The correct chronological sequence of these events is :

(a) IV, II, I, III
(b) IV, II, III, I
(c) II, IV, III, I
(d) II, IV, I, III
1379: A complete cycle of a traffic light takes 60 seconds. During each cycle the light is green for 25 second, yellow for 5 second and red for 30 second. At a randomly chosen time, the probability that the light will not be green is
(a) 1/3
(b) 1/4
(c) 5/12
(d) 7/12
1380: In an examination, 70% of the students passed in the Paper I, and 60% of the students passed in the Paper II. 15% of the students failed in both the papers while 270 students passed in both the papers. What is the total number of students?

(a) 580
(b) 560
(c) 600
(d) 540