Average Maths Exercise
Shekhar’s average expenses for 4 days is Rs. 6.00. He spend Rs. 7.70 on first day and Rs. 6.30 on second day. If he spent Rs. 10 on third day, what did he spend on the 4th day?
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None of these
There are 40 boys in a class. One boy weighing 40 kg goes away, and at the same time another boy joins the class. If the average weight of the class is thus increased by 100 gm, the weight of the new boy is.
Nine men went to restaurant. 8 of them spent Rs. 3 each over their meals and the ninth spent Rs. 2 more than the average expenditure of all the nine. The total money spent by all of them was
In a cricket team eleven, the average age of eleven players is 28 years. Out of these, the average of three groups of three players each are 25 years, 28 years and 30 years. The captain and the youngest player who is 11 years younger than the captain are not included in these groups. The age of the captain is
The average income of a group of 9 employees is Rs. 137.30 and that of another group of 7 employees is Rs. 95.06. The average income of all the persons is:
The average marks of 12 students was calculated as 40. But it was later found that marks of one student had been entered wrongly as 42 instead of 54 and of another as 74 instead of 50. The correct average is:
Five years ago average age of Puneet and Veena was 15 years. Average age of Puneet, Veena and Rohit today is 20 years. How old Rohit will be after 10 years.
The average age of the husband and wife who were married 7 years ago was 25 years then. The average age of the family including the husband, wife and the child born during the interval is 22 years, now. How old is the child now?
The average age of students in two classes of 40 students each is 10 years and 8 years respectively. The average age of students in both the classes taken together is:
Two cities Delhi and Ghaziabad are some distance apart. A girl cycles from Delhi to Ghaziabad at a speed of 10 km/hr and then back from Ghaziabad to Delhi at the rate of 15 km/ hr. The average speed during the journey is:
The average of 17 numbers is 10.9 If the average of first nine is 10.5 and that of the last nine is 11.4, the middle number is
The average salary of workers in an industry is Rs. 2000, the average salary of 150 technicians being Rs. 4000, and the non-technicians being Rs. 1,250. The total number of workers is
A Tata Steel employee's average contribution to his provident fund for the first 9 months was Rs. 3,500 each and for each of the remaining 3 months, the contribution was Rs. 5,500. By what amount was his total contribution short of Rs. 58,000?
The marks obtained by a Kajal in five subjects are 68, 73, 62, 85 and 79. Find the average score.
The average of three consecutive odd numbers is 39. What is the sum of the first two of these numbers?
30 cookies and 75 candies were purchased for Rs. 510. if the average price of a candy was Rs. 2.00, find the average price of a cookie.
Bijendra is given 12 days to drive a destination 1200 km. away. for the first 6 days he goes 100km a day. Due to accident, he cannot drive for 2 days. What is the average distance per day that he has to drive to reach his destination in time?
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The sum of two consecutive even numbers is 23 more than the average of these two numbers. What is the second number?
The average temperature on Tuesday, Wednesday and Thursday was 37° centigrade. The average temperature on Wednesday, Thursday and Friday was 38° centigrade. If the temperature on Friday was 39° centigrade, the temperature on Tuesday was:
Average income of Anu and Bhawna is Rs. 3000 and of Charu and Dolly is Rs. 500. What is the average income of Anu, Bhawna, Charu and Dolly.
Average monthly income of a family of four earning members was Rs. 735. One of the earning members died and therefore the average income came down to Rs. 650. The income of the deceased was:
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The average age of 50 soldiers in troop is 25 years. If the captain's age is included, the average age of all of them still remains the same. What is the captain's age in years?
More than 25
Less than 25
Cannot be determined
Rajneesh spends Rs. 1800 per month on an average for the first four months and Rs. 2000 per month for the next 8 months and saves Rs. 5600 a year. What is his average monthly income?
If the average of 9 consecutive numbers is 20, the highest of these numbers is:
A batsman has certain average runs for 20 innings. In the 21st inning, he served 107 runs thereby increasing his average by 2. What is his average after 21 innings?
Visitors to a Test Match were charged Rs. 15.00 each on the first day, Rs. 7.50 on the second day, Rs. 2.50 on the third day and total attendance on the three days were in the ratio 2:5:13 respectively. The average charge per person for the whole match is
One of the two cars complete a journey of 300 km in 7.5 hrs. and the other a journey of 450 km in 10 hrs. Find the ratio of their average speeds.
In a college there are three divisions. The number of students and the average marks in mathematics in the three divisions are 30, 40, 30 and 40%, 30% and 50% respectively. What are the average marks in mathematics of the college?
The average monthly expenditure of a shop was Rs. 2,200 during first 3 months, Rs. 2,550 during next 4 months and Rs. 3,120 during last 5 months of the year. If the total saving during the year was Rs. 1,260, find average monthly income.
There are 29 questions to complete.