1636: Two stores A and B mark the price of an item identically. A allows 3 successive discounts of 10% each. B allows 10% discount on the list price and a subsequent discount of 19%. Under the circumstances, which of the following is true?
(a) The price of the article is cheaper at A.
(b) The price of the article is cheaper at B.
(c) The price of the article is same at A and B.
(d) The price cannot Toe determined.
1637: In an examination, every candidate took Physics or Mathematics or both. 65.8% took Physics and 59.2% took Mathematics. The total number of candidates was 2000. How many candidates took both Physics and Mathematics ?
(a) 750
(b) 500
(c) 250
(d) 125
1638: Physiological population density is the ratio of:
(a) Total population to total area
(b) Total population to total irrigated land area
(c) Total population to urban land area
(d) Total population to rural land area
1639: Which of the following are the main causes of slow rate of growth of per capital income In India?
I. High capital-output ratio
II. High rate of growth of population
III. High rate of capital formation
IV. High level of fiscal deficits
Select the correct answer from the codes given below:
Codes:
(a) I, II, III and lV
(b) II, III and IV
(c) I and IV
(d) I and II
1640: A hemispherical bowl is filled to the brim with a beverage. The contents of a bowl are transferred into a cylindrical vessel whose radius is 50% more than its height. If the diameter is same for both bowl and cylinder, then the volume of the beverage in the, cylindrical vessel will be
(a) 66(2/3)%
(b) 78½%
(c) 100%
(d) more than 100% (that is, some liquid will still be left in the bowl)