Data Interpretation Ques 338

Question-

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 $50 \%$

Find the average number of students who failed in Economics in the year 2002 and the year 2003 together?

(1) 1435

(2) 1565

(3) 1720

(4) 1590

(5) Other than those given as options

Show Answer

Correct Answer: (2)

Solution: (2)

Unsuccessful students in Economics :

Year $2002 \Rightarrow \frac{3800 \times 55}{100}$ $=2090$

Year $2003 \Rightarrow \frac{2600 \times 40}{100}=1040$

$\therefore$ Required average $=\frac{2090+1040}{2}=\frac{3130}{2}=1565$

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