Q1. 
If the wheel of a bicycle makes 560 revolutions in travelling 1.1 km, what is its radius? 
A.  31.25 cm 

B.  37.75 cm 

C.  35.15 cm 

D.  11.25 cm 
Common Information
$A$ and $B$ go by Bus from $X$ to $Z$ which is on the way to $Y$. $C$ goes from $Y$ to $Z$ by Auto. $A$ and $B$'s Bus goes at 75km/hr and $C$'s auto moves at 15 km/hr. All the three start at 6:00 am. After travelling some distance, $B$ sees another friend $D$ going by Cycle at 25km/hr to $Z$. $B$ and $A$ go ahead, meet $C$ and pick him up. They return immediately to $Z$ at the same time. The distance between $X$ and $Y$ is 600 km and $XZ$ is 400 km.
Q2. 
Common Information Question: 1/2 What is the total distance travelled by $A$? 
A.  480 km 

B.  450 km 

C.  550 km 

D.  600 km 
Q3. 
Common Information Question: 2/2 What is the time for the entire journey? 
A.  10 hour 

B.  6 hour 

C.  8 hour 

D.  9 hour 
Q4. 
A ship develops a leak 12 km from the shore. Despite the leak, the ship is able to move towards the shore at a speed of 8 km/hr. However, the ship can stay afloat only for 20 minutes. If a rescue vessel were to leave from the shore towards the ship and it takes 4 minutes to evacuate the crew and passengers of the ship, what should be the minimum speed of the rescue vessel in order to be able to successfully rescue the people aboard the ship? 
A.  53 km/hr 

B.  37 km/hr 

C.  28 km/hr 

D.  44 km/hr 
Q5. 
When an object is dropped, the number of feet N that it falls is given by the formula (N=dfrac{1}{2}gt^2) where t is the time in seconds from the time it was dropped and g is 32.2. If it takes 5 seconds for the object to reach the ground, how many feet does it fall during the last 2 seconds? 
A.  64.4 

B.  96.6 

C.  161.0 

D.  257.6 