Practice Average Questions and Answers

• The average cost price of 18 pens (having equal cost price) decreased by Rs.2, when one of the pen is replaced by a new pen having cost price of Rs.74. Fin...
• Average marks scored by Vineet in five subjects are 65. The average marks scored by him (excluding his highest and lowest marks) are 50 and lowest marks sc...
• Average marks scored by Vineet in five subjects are 85. The average marks scored by him (excluding his highest and lowest marks) are 70 and lowest marks sc...
• Average marks scored by Vineet in five subjects are 90. The average marks scored by him (excluding his highest and lowest marks) are 80 and lowest marks sc...
• Average marks scored by Vineet in five subjects are 80. The average marks scored by him (excluding his highest and lowest marks) are 72 and lowest marks sc...
• Average marks scored by Vineet in five subjects are 85. The average marks scored by him (excluding his highest and lowest marks) are 65 and lowest marks sc...
• Average marks scored by Vineet in five subjects are 75. The average marks scored by him (excluding his highest and lowest marks) are 60 and lowest marks sc...
• Average marks scored by Vineet in five subjects are 72. The average marks scored by him (excluding his highest and lowest marks) are 56 and lowest marks sc...
• Average age of a class of 33 students is 14 years. Average age of the class is increased by 18 months if the age of the teacher is included. Find the age o...
• The average of ten numbers is A. If c is subtracted from each number except the tenth and (c-1) is subtracted from the tenth number, then what will be the ...
• The income of B is 85% of A and income of C is Rs 3600 more than that of B. The average income of all three together is Rs. 8400. A and B spend 50% of thei...
• The average of four numbers (z+16), (y+15), (y-25) and 1.2z is (y-6). If one more number which is 144 is added then the new average will be (y-1). The valu...
• A mixture contains oil and water in the ratio 7:5. When 70% of this mixture is replaced with 153 litres of water, the ratio becomes 8: 13. Than, what will ...
• In a General store, the average cost of a Rice bag, Pulse bag and Sugar bag is Rs.600. The average cost of sugar bag and Pulse bag is Rs.650. What will be ...
• Average weight of each student, in a class of 70 students, is 86kg. If the ratio of number of boys and girls in the class is 4:3, respectively and average ...
• The average age of a category of 5 members is 40 years. If a person whose age is 60 years will left the group and two new persons whose age is 'a' years an...
• 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 emp...
• The average expenditure of Mr. Sharma for January to June is Rs. 4200 and he spent Rs. 1200 in January and Rs. 1500 in July. The average expenditure for th...
• The average weight of 5 students in a class is 25.8kg. When a new student joins them, the average weight increases by 3.9kg. Then what will be the approxim...
• The average height of Nakul, Baneet, Preetam and Yash is 20 cm, while the average height of Nakul, Preetam and Yash is 16 cm. If height of Manish is 25% mo...
• The total number of students in class A and B is 72. The number of students in A is 40% more than that in B. The average marks of students in B are 50% mor...
• The average of three numbers P, Q and R is 1600. R is 75% more than P. The ratio of P and Q is 4:5 respectively. If R is 25% less than S, then find out the...
• In the Board exams, the average marks scored by 20 students is 55. But while calculating, marks of 2 students were wrongly entered as 43 and 60 in place of...
• The mean weight of 'w' students in a classroom is 42 kg. When the class teacher, weighing 61.5 kg, is added to the group, the average weight increases by 0...
• The mean of a set of 8 numbers is 80. If the average of the first four numbers and the last two numbers is 90 and 60, respectively, and the ratio of the fi...
• The mean purchase price of items 'X' and 'Y' is Rs. 600. Article 'X' is sold with a 20% profit, while article 'Y' is sold with a 30% profit. Calculate the ...
• "X" acquired 15 books at a cost of Rs. 840 each and an additional 25 books at a price of Rs. 480 each. Determine the average price per book "X" bought.
• If average of first 9 numbers is (n – 50) and the sum of remaining number is 1620. Find the value of ‘n’, if the average of 21 numbers is ‘n’. ...
• If average of first 11 numbers is (n – 23) and the sum of remaining number is 925. Find the value of ‘n’, if the average of 25 numbers is ‘n’. ...
• If average of first 10 numbers is (n – 46) and the sum of remaining number is 1850. Find the value of ‘n’, if the average of 20 numbers is ‘n’. ...
• If average of first 12 numbers is (n – 23) and the sum of remaining number is 925. Find the value of ‘n’, if the average of 22 numbers is ‘n’. ...
• If average of first 10 numbers is (n – 23) and the sum of remaining number is 925. Find the value of ‘n’, if the average of 20 numbers is ‘n’. ...
• If average of first 11 numbers is (n – 46) and the sum of remaining number is 1850. Find the value of ‘n’, if the average of 25 numbers is ‘n’. ...
• In a company, the average number of employees named Amit and Chinky is 25. The number of Chinky's name employees is 50% higher than the number of Amit's na...
• Amit achieved a score of 28% in an exam but fell short by 42 points to pass. Rahul, on the other hand, secured 41% in the same test and exceeded the passin...
• In an examination, Aryan scored 54% marks and passed by 98 marks, while Rohit scored 35% marks and failed by 35 marks. Determine the passing marks for the ...
• Determine the number of Girls  in a school of 60 Student  when you know that the average weight of all Student  is 50 kgs, the average weight of boys is...
• Mixture X comprises juice and water in a 5:4 ratio, and mixture Y consists of juice and water in a 7:9 ratio. When mixture X is combined with mixture Y, th...
• The average salary of 36 employees ( Teachers+principals) in a School is Rs.10,375. A Principal in the School receives a salary that is 125% higher than th...
• There are 15 numbers such that average of first 12 numbers is 65 while the average of last five numbers is 76. Find the 12th number, if the ratio between 1...