1)The average age of Husband and wife was 30yr, 4 yr ago. What will be their average age at present ?
A)30
B)34
C)Cannot be determined
D)None of these

2)The average weight of 20 students is 60kg.If the weight of the teacher is added, average is increased by 2kg.What was the teacher’s weight ?
A)100kg
B)101kg
C)102kg
D)103kg

3)The average mark in 2 subjects is 35 and in three other subject is 40.Then find the average mark in all the five matches ?
A)37
B)37.5
C)36
D)38

4)The average height of 15 students is calculated as 75. But later it was found that the height of 1 student wrongly entered as 35 instead of 38 and another as 46 instead of 63.The correct average is?
A)71
B)73
C)75
D)76

5)The average age of 15 army men is 60yrs.5 new army men of average age 30yrs join them. Find the new average age?
A)51.5
B)52.5
C)55.2
D)55.8

6)The average ages of 4 member, each having the age difference of 2yrs is 54 yrs.What is the sum of the youngest and oldest family member ?
A) 102
B) 105
C) 107
D) 108

7)The average age of 15 army men is 60yrs.5 new army men of average age 30yrs join them. Find the new average age?
A)51.5
B)52.5
C)55.2
D)55.8

8)The average of 5 consecutive number is 58.Find the first number ?
A)55
B)56
C)57
D)58

9)Among the three number the first is thrice the third number and second number is half of the first number. If the average of the three number is 65.8 then find the third number?
A)35.56
B)35.85
C)35.89
D)35.69

10)The average weight of 20 students is 60kg.If the weight of the teacher is added, average is increased by 2kg.What was the teacher’s weight ?
A)100kg
B)101kg
C)102kg
D)103kg