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Line Charts - General Aptitude

The following line graph gives the ratio of the amounts of imports by a company to the amount of exports from that company over the period from 1995 to 2001.

Ratio of Value of Imports to Exports by a Company Over the Years.

Q1:

If the imports in 1998 was Rs. 250 crores and the total exports in the years 1998 and 1999 together was Rs. 500 crores, then the imports in 1999 was ?

A Rs. 250 crores

B Rs. 300 crores

C Rs. 357 crores

D Rs. 420 crores

ANS:D - Rs. 420 crores

The ratio of imports to exports for the years 1998 and 1999 are 1.25 and 1.40 respectively. Let the exports in the year 1998 = Rs. x crores. Then, the exports in the year 1999 = Rs. (500 - x) crores.

Therefore 1.25 = 250     =>     x = 250 = 200       [Using ratio for 1998]
x 1.25
Thus, the exports in the year 1999 = Rs. (500 - 200) crores = Rs. 300 crores. Let the imports in the year 1999 = Rs. y crores.
Then, 1.40 = y     =>     y = (300 x 1.40) = 420.
300
Therefore Imports in the year 1999 = Rs. 420 crores.