1.  A boy purchased 4 toys at the rate of $150 each, 2 toys at the rate of $300 each and 3 toys at the rate of $200 each. Calculate the average cost of one toy. 
a.   $300 
b.   $200 
c.   $400 
d.   $150




2.  The average age of 24 employee's and the officer is 30 years. If the officer's age is excluded, the average age reduces by 2years. What is the age of the officer? 
a.   75 years 
b.   60 years 
c.   78 years 
d.   72 years




3.  Find the average of odd numbers from 1 to 60. 
a.   25 
b.   35 
c.   20 
d.   30




4.  What is the average of even numbers from 1 to 91? 
a.   45 
b.   47 
c.   46 
d.   48




5.  Find the average of squares of first 17 consecutive even number. 
a.   520 
b.   420 
c.   360 
d.   480




6.  Find the average of squares of consecutive odd numbers, from 1 to 21. 
a.   160 
b.   145 
c.   154 
d.   161




7.  A man walks 1 mile with the speed of 20 miles per hour and another 1 miles with the speed of 10 miles per hour. Find his average speed for covering whole distance of 2 miles. 
a.   12 miles /hr. 
b.   12.5 miles /hr. 
c.   13.3 miles /hr. 
d.   13.5 miles /hr.




8.  The average weight of 5 persons is 35 pounds. If one more person is added, the average weight would remain the same. Find the weight of the new person. 
a.   40 pounds 
b.   35 pounds 
c.   32 pounds 
d.   41 pounds




9.  Find the average of first 20 natural numbers. 
a.   8 
b.   10.12 
c.   10 
d.   10.5




10.  Find the average of first 5 multiples of 9. 
a.   25 
b.   27 
c.   30 
d.   23




11.  Find the average of first 15 multiples of 8. 
a.   64 
b.   85 
c.   25.5 
d.   25.9




12.  The average of 4 consecutive even numbers is 33. Find the largest of these numbers. 
a.   36 
b.   32 
c.   35 
d.   20




13.  The average of 5 consecutive odd numbers is 43. Find the lowest of these numbers. 
a.   42 
b.   39 
c.   43 
d.   56



