Directions (1 - 5): Study the table carefully and answer the given questions.
Total exports of six countries over five years (in Rs. crore)
Note: Profit = Exports - Imports.
| Years → | 1998 | 1999 | 2000 | 2001 | 2002 |
| Country ↓ | |||||
| P | 20 | 40 | 60 | 45 | 90 |
| Q | 30 | 25 | 15 | 50 | 100 |
| R | 50 | 55 | 70 | 90 | 65 |
| S | 45 | 60 | 20 | 15 | 25 |
| T | 60 | 50 | 55 | 100 | 110 |
| U | 24 | 40 | 60 | 75 | 120 |
By what percent is the average export of country T over all the given years more than the average export of country R over all the given years?
A. $$13\frac{7}{11}$$ %
B. $$9\frac{1}{11}$$ %
C. $$13\frac{5}{7}$$ %
D. $$4\frac{7}{11}$$ %
E. $$12\frac{1}{7}$$ %
Answer: Option A
Solution(By Examveda Team)
Total export of country T= 60 + 50 + 55 + 100 + 110
= 375
Average export of country T
= $$\frac{375}{5}$$
= Rs. 75 crore
Total export of country R
= 50 + 55 + 70 + 90 + 65
= 330
Average export of country R
= $$\frac{330}{5}$$
= Rs. 66 crore
$$\eqalign{ & \therefore \text{ Required } \% \cr & = \frac{75 - 66}{66}\times100 \cr & = \frac{9}{66}\times100 \cr & = \frac{150}{11}\% \cr & = 13\frac{7}{11}\% \cr} $$
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