Q6. 
A Batsman makes a score of 87 runs in the 17th inning and thus increases his average by 3. Find his average after 17th inning. 
A.  40 

B.  39 

C.  52 

D.  55 
Q7. 
There were 35 students in a hostel. Due to the admission of 7 new students the expenses of the mess were increased by Rs.42 per day while the average expenditure per head diminished by Re 1. What was the original expenditure of the mess? 
A.  Rs. 450 

B.  Rs. 320 

C.  Rs. 550 

D.  Rs. 420 
Q8. 
Nine persons went to a hotel for taking their meals. Eight of them spent Rs.12 each on their meals and the ninth spent Rs.8 more than the average expenditure of all the nine. What was the total money spent by them. 
A.  Rs. 115 

B.  Rs. 116 

C.  Rs. 117 

D.  Rs. 118 
Q10. 
The average of runs of a cricket player of 10 innings was 32. How many runes must be made in his next innings so as to increase his average of runs by 4? 
A.  72 

B.  74 

C.  70 

D.  76 