Q1. 
In an acoustics class, 120 students are male and 100 students are female. 25% of the male students and 20% of the female students are engineering students. 20% of the male engineering students and 25% of the female engineering students passed the final exam. What percentage of engineering students passed the exam? 
A.  5% 

B.  10% 

C.  16% 

D.  22% 
Q2. 
A batsman scored 110 runs which included 3 boundaries and 8 sixes. What percent of his total score did he make by running between the wickets? 
A.  $45\% $ 

B.  $45{\dfrac{5}{11}}\%$ 

C.  $54{\dfrac{6}{11}}\%$ 

D.  $55\%$ 
Q3. 
If $b$ equals 10% of $a$ and $c$ equals 20% of $b$, then which one of the following equals 30% of $c$? 
A.  $0.006\% \text{ of } a$ 

B.  $0.006\% \text{ of } a$ 

C.  $0.06\% \text{ of } a$ 

D.  $0.6\% \text{ of } a$ 
Q4. 
8 is 4% of $a$, and 4 is 8% of $b$. $c$ equals $b/a$. What is the value of $c$? 
A.  $1/32$ 

B.  $1/4$ 

C.  $1$ 

D.  $4$ 
Q5. 
Two students appeared at an examination. One of them secured 9 marks more than the other and his marks was 56% of the sum of their marks. The marks obtained by them are: 
A.  39, 30 

B.  41, 32 

C.  42, 33 

D.  43, 34 