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Bar Charts - General Aptitude

The bar graph given below shows the foreign exchange reserves of a country (in million US $) from 1991 - 1992 to 1998 - 1999.

Foreign Exchange Reserves Of a Country. (in million US $)

Q1:

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

ANS:A - 1992-93

There is an increase in foreign exchange reserves during the years 1992 - 1993, 1994 - 1995, 1996 - 1997, 1997 - 1998 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 - 1993 = [ (3720 - 2640) x 100 ] % = 40.91%.
2640
For 1994 - 1995 = [ (3360 - 2520) x 100 ] % = 33.33%.
2520
For 1996 - 1997 = [ (4320 - 3120) x 100 ] % = 38.46%.
3120
For 1997 - 1998 = [ (5040 - 4320) x 100 ] % = 16.67%.
4320
Clearly, the percentage increase over previous year is highest for 1992 - 1993.