Discussion :: Line charts
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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 ?
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Answer : Option D
Explanation :
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.
1.25 = \(\frac { 250 } { X } \) 
x = \(\frac { 250 } { 1.25 } \) = 200 [Using ratio for 1998]
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 = \(\frac { Y } { 300 } \) y = (300 x 1.40) = 420.
Imports in the year 1999 = Rs. 420 crores.
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