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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...
A well with 42 m inside diameter is dug 14 m deep. Soil taken out of it has been evenly spread all around it to a width of 21 m to form an embankment. F...
In a class of ‘x’ students, if a new student weighing 32 kg joins the class, then the average weight of the class increases by 1 kg. If the ...
Average of 12 observations calculated by a student was 60 but when he again went through his observations he realised that he took value of three observ...
In a team, there are 15 men and 25 women. The average weight of each man is 70 kg while that of each woman is 60 kg. What is the average weight of a per...
A company produces 3 types of items A, B, and C. The cost of producing A is ₹200, B is ₹300, and C is ₹500. If the company produces 400 units of A...
The average weight of a group of 15 students increases by 1.5 kg when the weight of the teacher is also included. If earlier the average weight of the g...
The average of 22 numbers is 90. The average of the first 14 numbers is 95, while the average of the last 10 numbers is 85. If the 14th number is remove...
Four numbers are arranged in ascending order. When the 1st two numbers are increased by the number equal to their position, and the last two numbers (i....
The average age of a class was 16 years. 8 new students with an average age of 12 years joined the class. So, the average age of class decreased...
