3366: 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
3367: In India, inflation is measured by the

(a) Wholesale Price Index Number
(b) Consumers Price Index for urban non-manual workers
(c) Consumers Price Index for agricultural workers
(d) National Income deflation
3368: Which one of the following National Highways passes through Maharashtra Chhattisgarh and Orissa ?

(a) NH 4
(b) NH 5
(c) Nh 6
(d) NH 7
3369: Consider the following statements, the purpose of adding sodium sulphate and sodium silicate to the detergent in a washing powder is

1. To keep the washing powder dry
2. To maintain the alkalinity of the powder

Which of these statements is/are correct?

(a) Only 1

(b) Only 2

(c) Both 1 and 2

(d) Neither 1 nor 2
3370: Which of the following statements is true about Annie Besant?

(i) She was the President of Indian National Congress

(ii) She was the founder of the Asiatic Society

(iii) She was the founder of the Theosophical Society

(a) (i) and (ii)

(b) (i) and (iii)

(c) (i) only

(d) (i), (ii) and (iii)