81: An ad valorem duty is a tax on the basis of:
(a) The price of a commodity
(b) The value added
(c) The advertisement expenditure
(d) The unit of the commodity
82: Consider the following statements :
1. Length of a terrestrial mile is lesser than that of a nautical mile.
2. Harmattan is a dusty land-wind of the East African Coast.
3. Greece and Albania from a part of the Iberian Peninsula.
Which of the statements given above is/are correct ?
(a) 1 only
(b) 3 only
(c) 2 and 3, only
(d) 1, 2 and 3
83: "The Modern Review" was started by:
(a) Madan Mohan Malaviya
(b) C. V. Chintamani
(c) Ramanand Chatterjee
(d) Annie Besant
84: Solve the given equations :
x2 + y2 = 34
x4 - y4 = 544
The values of x and y are
(a) ± 4, ± 3
(b) ± 5, ± 3
(c) ±3, ±5
(d) ±3, ±4
85: When three coins are tossed together the probability that all coins have the same face up is
(a) 1/3
(b) 1/6
(c) 1/8
(d) None of these