1156: In an open economy, the national income (Y) of the economy is :
If C, I, G, X, M stand for Consumption, Investment, Govt. Expenditure, total exports and total imports respectively.
(a) Y = C + I + G + X
(b) Y = C + I + G - X + M
(c) Y = C + I + G + (X - M)
(d) Y = C + I - G + X - M
1157: At the time of India's Independence, Mahatma Gandhi was
(a) a member of Congress Working Committee
(b) not a member of the Congress
(c) the President of the Congress
(d) the General Secretary of the Congress
1158: Which one of the following was used as a chemical weapon in the First World War?
(a) Carbon monoxide
(b) Hydrogen cyanide
(c) Mustard gas
(d) Water gas
1159: Consider the following statements with reference to the Periodic Table of chemical elements :
I. lonisation potential gradually decreases along a period.
II. In a group of elements, electron affinity decreases as the atomic weight increases.
III. In a given period, electronegativity decreases as the atomic number increases.
Which of these statement(s) is/are correct ?
(a) I only
(b) II only
(c) I and III
(d) II and III
1160: Which of the following is / are the characteristic / characteristics of Indian coal?
1. High ash content
2. Low sulphur content
3. Low ash fusion temperature
Select the correct answer using the codes given below.
(a) 1 and 2 only
(b) 2 only
(c) 1 and 3 only
(d) 1, 2 and 3