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A frustum of a cone has radii of 5 cm and 3 cm, and a height of 8 cm. What is its volume?
Average of three consecutive numbers is 91. Find the sum of smallest and largest number.
The average cost of 3 chairs is Rs. 9500. The average cost decrease by 15% when one more chair is included. What is the cost price of the 4th...
In an exam of 100 marks, the average marks of a class of 38 students are 72. If the top 3 scorers of the class leave, the average score falls “dow...
The average age of 32 children and their teacher's age are 28 years. If the teacher's age is excluded, the average reduces by 1. What is the teacher's age?
The base of a right pyramid is a square of side 10 cm. If its height is 10 cm. then the area (in cm2) of its lateral surface is:
The average of four consecutive odd numbers is 47. What is the largest of these numbers?
The average cost of three chairs is Rs.16000. The average cost decrease by 20% when one more chair is included. What is the cost price of the 4th
A football player scored 400 points in the first eight games of the season. Find the average points he must score in the next two games so that his aver...
The average of six numbers is 8. When three new numbers are included in such a way that the first number is twice the second and second number is thri...
