37 CHAP - 37.BAR GRAPHS -this section comprises of...

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37.BAR GRAPHS ---------------------------------------------------- this section comprises of questions in which the data collected in a particular discipline are represented in the form of vertical or horizontal bars drawn by selecting a particular scale.one of the parameters is plotted on the horizontal axis and the other on the vertical axis . the candidate is required to understand the given information and thereafetr answer the given questions on the basis of data analysis. 1.The bar graph given below shows the foreign exchange reserves of a country (in million us$) from 1991-92 to 1998-99 .answer the questions based on this graph. FOREIGN EXCHANGE RESERVES OF A COUNTRY (IN MILLION US $) 0 0 0 0 0 0 0 0 2640 3720 2520 3360 3120 4320 5040 3120 year foreign exchange reserve 1.The foreign exchange reserves in 1997-98 was how ,any times that in 1994-95? (a)0.7 (b) 1.2 (c) 1.4 (d) 1.5 (e) 1.8 2.what was the percentage increase in the foreign exchange reserves in 1997-98 over 1993-94? (a)100 (b)150 (c)200 (d)620 (e)2520 3.for which year,the percent increase of foreign exchange reserves over the previous year,is the highest? (a)1992-93 (b)1993-94 (c)1994-95 (d)1996-97 (e)1997-98
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4.the foreign exchange reserves in 1996-97 werw approximately what percent of the average foreign exchange reserves over the period under review? (a)95% (b)110% (c)115% (d)125% (e)140% 5.the ratio of the number of years,in which the foreign exchange reserves are above the average reserves ,to those in which the reserves are below the average reserves is : (a)2:6 (b)3:4 (c)3:5 (d)4:4 (e)5:3 Solutions 1 (d) : required ratio = 5040/3360 = 1.5 2 (a) : foreign exchange reserve in 1997-98=5040 million us $ foreign exchange reserves in 1993-94=2520 million us$ therefore increase=(5040-2520)=2520 million us $ therefore percentage increase=((2520/2520)*100)%=100% 3 (a): there is an increase in foreign exchange reserves during the years 1992- 93,1994-951996-97,1997-98 as compared to previous year (as shown by bar graph) the percentage increase in reserves during these years compared to previous year are (1) for 1992-93 =[(3720-2640)/2640*100]% =40.91% (2) for 1994-95=[(3360-2520)/2520*100]%=33.33% (3) for 1996-97=[(4320-3120)/3120*100]%=38.46% (4) for 1997-98=[(5040-4320)/4320*100]%=16.67% Clearly, the percentage increase over previous year is highest for 1992-93. 4 . (d) : Average foreign exchange reserves over the given period = [_x (2640 + 3720 + 2520 + 3360 + 3120 + 4320 + 5040 + 3120) ] million US $ = 3480 million US $. Foreign exchange reserves in 1996-97 = 4320 million US $. . . Required Percentage = x 100 % = 124.14% . . 125%. 3480 .
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This note was uploaded on 08/13/2011 for the course FSD 011 taught by Professor Vinh during the Spring '11 term at Beacon FL.

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37 CHAP - 37.BAR GRAPHS -this section comprises of...

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