1 .**What is the average of first five multiples of 12? **

**a)36**

**b)38**

**c)40**

**d)42**

**2.if the average of the three consecutive even numbers is 34 find the largest of these ****numbers **

**a)30**

**b)32**

**c)34**

**d)36**

**3.The average age of 30 boys in a class is 15 years. If we include the age of two teachers the average age increases by 1. Find the sum of ages of two teachers.**

**a)55 years**

**b)58 years**

**c)62 years **

**d)64 years**

**4. The average age of the committee of 10 members is 40 years. A member of age 52 retires and a new member of age 38 takes his place. What is the average age of the present committee?**

**a)38.6 years**

**b)33.5 years**

**c)35.5 years**

**d)37.5 years**

**5. Four years ago, the average age of A and B was 20 years. If today average age of A,B and is 25 years, what will be age of C after 7 years?**

**a)32**

**b)34**

**c)36**

**d)38**

**6. Mohan get salary of RS. 6435, Rs.6855, Rs.7230 and Rs.6562 for 5 months. How much salary he must have in the sixth month so that he gets an average of Rs.6500?**

**a)4091**

**b)4991**

**c)3499**

**d)3344**

**7.The average weight of 8 women increase by 2.5 kg when a new women replaces one of them weight 60 kg. Find the weight of the new women **

**a)20**

**b)85**

**c)67**

**d)80**

**8.The average weight of 16 students in a class is 50.25kg, and that one of the remaining 8 students is 45.15 kg. Find the average weight of all the students in the class**

**a)34.56**

**b)56.53**

**c)48.55**

**d)31.44**

**9.In a class average age of 15 boys is 11. If 5 boys each of age 9 years are added, what would be the new average**

**a)20 years**

**b)10 years**

**c)10.5 years**

**d)23 years**

**10.The average weight of P, Q and R is 45kg. If the average weight of P and Q is 40 kg and that of Q and R is 43kg, what is the weight of Q?**

**a)32**

**b)65**

**c)67**

**d)31**

**11.find the average of first 20 consecutive natural numbers.**

**a)12.20**

**b)10.78**

**c)16.45**

**d)10.5**

**12. find the average of the square of first 5 consecutive numbers starting from 1 to 9, where the last odd number is 9.**

**a)22**

**b)16**

**c)11**

**d)33**

13.**10 typists can type 600 pages in 8 hours. Find the average number of pages typed by each typist in an hour.**

**a)7 pages**

**b)7.5 pages**

**c)8 pages**

**d)8.5 pages**

**14.the average of square of first 6 consecutive even number is:**

**a)12.20**

**b)60.66**

**c)16.45**

**d)178**

**15.the sum of three numbers is 98. If the ratio between first and second be 2:3 and between second and third be 5:8, then the second number is:**

**a)30**

**b)38**

**c)32**

**d)60**

** **