3506: The chemical used as a 'fixer' in photography is
(a) sodium sulphate
(b) sodium thiosulphate
(c) ammonium persulphate
(d) borax
3507: Which one of the following pairs is not correctly matched?
(a) Pitt's India Act : Warren Hastings
(b) Doctrine of Lapse : Dalhousie
(c) Vernacular Press Act : Curzon
(d) Ilbert Bill : Ripon
3508: A grocer bought 10 kg of apples for Rs. 81 out of which one kg was found rotten. If he wishes to make a profit of 10%, at what rate per kg. he should sell it?
(a) Rs. 9.00
(b) Rs. 9.90
(c) Rs. 10.10
(d) Rs. 10.20
3509: Which one of the following airports in India is the first to be owned by a public limited company?
(a) Cochin airport
(b) Bangalore airport
(c) Hyderabad airport
(d) Dabolin Airport, Goa
3510: In India, the tax proceeds of which one of the following as a percentage of gross tax revenue has significantly declined in the last five years ?
(a) Service tax
(b) Corporation tax
(c) Excise duty
(d) Personal income tax