Q1. If average of five consecutive odd numbers is 33, then the least odd number is:
(a) 27
(b) 31
(c) 29
(d) 23
(e) 33
Q2. The average weight of boys in a class of total strength 50 is 40 kg while average weight of girls is 35 kg. Find number of girls in class if average weight of class is 38 kg.
(a) 10
(b) 30
(c) 20
(d) 40
(e) 15
Q3. Three year ago, the average age of five employee of a company was 54 yrs. The present average age is 52 yr after the inclusion of a new employee entered. Find the age of the new employee?
(a) 18 yr
(b) 25 yr
(c) 20 yr
(d) 22 yr
(e) 27 yr
Q4. Average of four numbers is increased by 1 when a number is replaced by x and average of that four number is decreased by 1 when another number is replaced with x. What is the difference of the both numbers?
(a) 6
(b) 8
(c) 16
(d) 4
(e) Cannot be determined
Q5. 3 years ago, Average age of father and his son was 36 year. Present age of mother is 3 years less than twice of the age of son and ratio of mother’s age 3 years later to the father’s age 4 years ago is 24 : 25. Then, find the present average age of family ?
(a) 39 years
(b) 44 years
(c) 36 years
(d) 41 years
(e) 43 years
Solutions
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