Data Interpretation Ques 207
Directions : Refer to the graph and answer the given questions.
Data related to number of elephants in two Reserves A and B of country $X$ during 6 years.
Out of the total number of elephants in reserves A and B together in 2002 only $40 \%$ were African elephants and out of the total number of elephants in reserves A and B together in 2004 only $65 \%$ were African elephants. What is the difference between total number of African elephants in reserves A and B together in 2002 and total number of African elephants in reserves A and B together in 2004 ?
(1) 37
(2) 47
(3) 43
(4) 41
(5) 55
Show Answer
Correct Answer: (1)
Solution: (1) Number of elephants in both reserves in 2002
$=42+28=70$
Number of African elephants
$=\frac{70 \times 40}{100}=28$
Number of elephants in both reserves in 2004
$=44+56=100$
Number of African elephants
$\Rightarrow 65 \%$ of $100=65$
Required difference
$=65-28=37$
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