Average-Test 1

The average weight of 39 Students in a class is 23. Among them Sita is the heaviest while Tina is the lightest. If both of them are excluded from the class still the average remains same. The ratio of weight of Sita to Tina is 15:8.Then what is the weight of the Tina?

The ages of Four members of a family are in the year 2010 are
“X‟,‟X+12‟,‟X+24‟ and “X+36‟. After some years Oldest among them was dead then average reduced by 3. After how many years from his death, the average age will same as in 2010?

The average of Four numbers is 24.5. of the four numbers, the first is 1.5 times the second, the second is 1/3 rd of the third, and the third is 2 times the fourth number. Then what is smallest of all those numbers?

There are 459 students in a hostel. If the number of students increased by 36, the expenses of the mess increased by Rs.81 Per day while the average expenditure
per head reduced by 1. Find the original expenditure of the mess?

The average cost 32 different Mobiles is Rs. 9000. Among them, Oppo which is the
costliest is 70% higher price than the cheapest Mobile Lava. Excluding those
both mobiles, the average of the Mobiles is Rs.8880. Then what is the cost of Oppo
Mobile?

The average age of a family of 9 members is 22 years. Surya is the youngest and his age is 6 years, then what was the average age of the family just before Surya was born?

Dhoni scored 8000 runs in a certain number of innings. In the next five innings, he was out of form and hence, could make only 85 runs, as a result his average reduced by 1 run. How many innings did he play in total?

The weights of 19 people are in Arithmetic progression. The average weight of them is 19. If the heaviest is 37 Kgs. Then what is the weight of the Lightest?

The average weight of 40 Students is 32. If the Heaviest and Lightest are excluded the average weight reduces by 1. If only the Heaviest is excluded then the average is 31. Then what is the weight of the Lightest?

Average of 17 students in a class is X. When their marks are arranged in ascending order it was found to be in Arithmetic Progression. The class teacher found that rank the students who ranked 15th, 11th, 9th and 7th had copied the exam and hence they are suspended. Now the average of the remaining class is Y. Then

The average price of 80 mobile phones is Rs.30,000. If the highest and lowest price
mobile phones are sold out then the average price of remaining 78 mobile
phones is Rs. 29,500. The cost of the highest mobile is Rs.80,000. The cost of
lowest price mobile is?

In a Company the average income of all the employees is Rs. 20000 per month. Recently the company announced increment of Rs. 2000 per month for all the employees. The new average income of all the employees is?

Pranav went to the bank at the speed of 60 kmph while returning for his home he covered the half of the distance at the speed of 10 kmph, but suddenly he realized that he was getting late so he increased the speed and reached the home by covering rest half of the distance at the speed of 30 kmph. The average speed of the Pranav in the whole length of journey is?

The average expenditure of Sharma for the January to June is Rs. 4200 and he
spent Rs. 1200 in January and Rs.1500 in July. The average expenditure for the months of February to July is:

The average weight of all the 11 players of CSK is 50 kg. If the average of first six
lightest weight players of CSK is 49 kg and that of the six heaviest players of
CSK is 52 kg. The average weight of the player which lies in the sixth position in
the list of players when all the 11 players of CSK are arranged in the order of
increasing or decreasing weights.

The average presence of students of a class in a College on Monday, Tuesday
and Wednesday is 32 and on the Wednesday, Thursday, Friday and Saturday is 30. if the average number of students on all the six days is 26 then the number of students who attended the class on Wednesday is?

Suresh started his journey from P to Q by his bike at the speed of 40 kmph and then, the same distance he travelled on his foot at the speed of 10 kmph from Q to R. Then he returned from R to P via Q at the speed of 24 kmph. The average speed of the whole trip is:

Ramesh walked 6 km to reach the station from his house, then he boarded a train whose average speed was 60 kmph and thus he reached his destination. In this way he took a total time of 3 hours. If the average speed of the entire journey was 32 kmph then the average speed of walking is:

Bala travels first one-third of the total distance at the speed of 10 kmph and the
next one-third distance at the speed of 20 kmph and the last one – third distance at
the speed of 60 kmph. What is the average speed of Bala?

The average income of Arun, Bala and Chitra is Rs. 12,000 per month and average income of Bala, Chitra and David is Rs. 15,000 per month. If the average salary of David be twice that of Arun, then the average salary of Bala and Chitra is in Rs?

The average monthly expenditure of Mr.Ravi‟s family for the first three months is Rs 2,750, for the next three months is Rs 2,940 and for the last three months Rs 3,150. If his family saves Rs 4980 for nine months, find the average
monthly income of the family for the 9 months?

The average age of a family of 8 members is 24 years. If the age of the youngest member be 6 years, the average age of the family at the birth of the youngest member was?

Mr. Ravi‟s family has 10 males and a few females, the average monthly consumption of rice per head is 8 kg. If the average monthly consumption of rice per head be 10 kg in the case of males and 6 kg in the case of females, find the number of females in Ravi‟s family?

In a famous hotel the rooms were numbered from 201 to 230, each room gives an earning of Rs. 5000 for the first fifteen days of a month and for the latter half, Rs. 3000 per room. Find the average income per room per day over the month. (September)?

In a famous hotel, the rooms are numbered from 101 to 130 on the first floor, 201 to 220 on the second floor and 301 to 330 on the third floor. In the month of September, the room occupancy was 50% on the first floor, 80% on the second floor and 40% on the third floor. If it is also known that the room charges are Rs 200, Rs. 250 and Rs. 300 on each of the floors respectively, then find the average income per room in the hotel for
the month of September?