Q1)-The average of 5 numbers is 65. The average of the first two numbers is 81 and the average of the last two numbers is 38. What is the third number?
Q2)-The average weight of kids in a home is 16 kg and adults is 35 kg. Find the average weight of all the person in home.
Q3)-The average of four consecutive odd integers is 24 less than the sum of these integers. Then which will be the largest of them?
Q4)-The average age of five members is 27. If one of them is excluded the average decreases by 2. The age of excluded person is:
Q5)-The distance between two stations A and B is 778 km. A train covers the journey from A to B at 84 km per hour and returns back to A with a uniform speed of 56 km per hour. Find the average speed of train during the whole journey.
Q6)-In an exam, the average was found to be 50 marks. After deducting computational errors the marks of the 100 candidates had to be changed from 90 to 60 each and average came down to 45 marks. Total No of candidates who took the exam were.
Q7)-The average age of the family of five members is 24. If the present age of youngest member is 8 years, then what was the average age of the family at the time of the birth of the youngest member?
Q8)-The average weight of 8 person's increases by 2.5 kg when a new person comes in place of one of them weighing 65 kg. What might be the weight of the new person?
Q9)-The average age of a class of 32 students is 16 yrs. if the teacher's age is also included, the average increases by one year. Find the age of the teacher
Q10)-A grocer has a sale of Rs. 6435, Rs. 6927, Rs. 6855, Rs. 7230 and Rs. 6562 for 5 consecutive months. How much sale must he have in the sixth month so that he gets an average sale of Rs. 6500?
63
87
99
Cannot be determined
Ans.- B
Q2)-The average weight of kids in a home is 16 kg and adults is 35 kg. Find the average weight of all the person in home.
25.5 kg
25 kg
cannot be determined
none of these
Ans.- C
Q3)-The average of four consecutive odd integers is 24 less than the sum of these integers. Then which will be the largest of them?
27
22
24
20
Ans.- A
Q4)-The average age of five members is 27. If one of them is excluded the average decreases by 2. The age of excluded person is:
40
38
35
42
Ans.- C
Q5)-The distance between two stations A and B is 778 km. A train covers the journey from A to B at 84 km per hour and returns back to A with a uniform speed of 56 km per hour. Find the average speed of train during the whole journey.
60.3 km/h
35 km/h
67.2 km/h
None of these
Ans.- C
Q6)-In an exam, the average was found to be 50 marks. After deducting computational errors the marks of the 100 candidates had to be changed from 90 to 60 each and average came down to 45 marks. Total No of candidates who took the exam were.
150
300
600
750
Ans.- C
Q7)-The average age of the family of five members is 24. If the present age of youngest member is 8 years, then what was the average age of the family at the time of the birth of the youngest member?
20 years
16 years
12 years
18 years
Ans.- B
Q8)-The average weight of 8 person's increases by 2.5 kg when a new person comes in place of one of them weighing 65 kg. What might be the weight of the new person?
76 kg
78 kg
85 kg
None of these
Ans.- C
Q9)-The average age of a class of 32 students is 16 yrs. if the teacher's age is also included, the average increases by one year. Find the age of the teacher
49
48
52
50
Ans.- A
Q10)-A grocer has a sale of Rs. 6435, Rs. 6927, Rs. 6855, Rs. 7230 and Rs. 6562 for 5 consecutive months. How much sale must he have in the sixth month so that he gets an average sale of Rs. 6500?
Rs 3991
Rs 4991
Rs 5991
Rs 6991
Ans.- B
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