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Here is list of Questions and Answers covering all key area of Bar Graph topic of Bar Graph:
Answer: Option C
Average foreign exchange reserves over the given period = 3480 million US $. The country had reserves above 3480 million US $ during the years 1992-93, 1996-97 and 1997-98 i.e., for 3 years and below 3480 million US $ during the years 1991-92, 1993-94, 1994-95, 1995-96 and 1998-99 i.e., for 5 years. Hence, required ratio = 3:5.
Answer: Option A
There is an increase in foreign exchange reserves during the years 1992-93, 1994-95, 1996-97 and 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: For 1992-93 = [(3720 - 2640)/2640 * 100]% = 40.91% For 1994-95 = [(3360 - 2520)/2520 * 100]% = 33.33% For 1996-97 = [(4320 - 3120)/3120 * 100]% = 38.46% For 1997-98 = [(5040 - 4320)/4320 * 100]% = 16.67% Clearly, the percentage increases over previous year
Answer: Option D
Average foreign exchange reserves over the given period = [1/8 * (2640 + 3720 + 2520 + 3360 + 3120 + 4320 + 5040 + 3120)] million US $ = 3480 million US $. Foreign exchange reserves in 1996-97 = 4320 million US $. Required Percentage = (4320/3480 * 100)% = 124.14% ≈ 125%