CAT 1995 | Question: 154

Question

The following table gives data of some students. However, some data has been spoilt and cannot be read on the computer floppy

It is also known that:

1. Half the students were either excellent or good.

2. 40% of the students were females

3. One-third of the male students were average. Based on the above answer the following questions.

How many students are both male and good?

• A. 10 
• B. 16
• C. 22 
• D. 48

Answer 1

		Performance		Total
	Average	Good	Excellent
Male	$\color{blue}{16}$	$\color{blue}{22}$	10	$\color{blue}{48}$
Female	$\color{blue}{(40-16) = 24}$	$\color{blue}{8}$	--	32
Total	$\color{blue}{40}$	30	$\color{blue}{10}$	$\color{blue}{80}$

 

$∴ \color{green}{\text{There are}}$ $\color{red}{22}$ $\color{green}{\text{male students who are good.}}$

Comments

For better understanding see this : https://aptitude.gateoverflow.in/4169/cat1995-151