Data Interpretation Ques 339
Directions : Study the following table carefully and answer the questions given below it.
Number of students and \% of students passed out of those who appeared are given for two subjects from year 2001 to 2005 in a college XYZ.
Year | Statistics | Economics | ||
---|---|---|---|---|
Number of students appeared |
\% of students passed out of the appeared students |
Number of students appeared |
\% of students passed out of the appeared students |
|
2001 | 2200 | $45 \%$ | 4200 | $40 \%$ |
2002 | 2700 | $55 \%$ | 3800 | $45 \%$ |
2003 | 2500 | $35 \%$ | 2600 | $60 \%$ |
2004 | 3200 | $65 \%$ | 4800 | $55 \%$ |
2005 | 4800 | $60 \%$ | 2200 | $50 \%$ |
What is the difference between the total number of students who passed in Statistics in the year 2002 and total number of students who failed in Economics in the year 2005?
(1) 690
(2) 385
(3) 485
(4) 550
(5) 610
Show Answer
Correct Answer: 339.(2)
Solution: (2) Successful students in Statistics in 2002
$=\frac{2700 \times 55}{100}=1485$
Unsuccessful students in Economics in 2005
$=2200 \times \frac{1}{2}=1100$
$\therefore$ Required difference
$=1485-1100=385$