Arithmetic Aptitude :: Average
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The average weight of P, Q and R is 45 kg. If the average weight of P and Q is 40 kg and that of Q and R is 43 kg, what is the weight of Q?
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The average weight of 16 students in a class is 50.25 kg, and that of the remaining 8 students is 45.15 kg. Find the average weight of all the students in the class.
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A museum has an average of 510 visitors on Sunday and 240 on other days. Find the average number of visitors per day in a month of 30 days beginning with a Sunday.
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If the average marks of three classes of 45, 60 and 55 students are 60, 55, 50 respectively, find the average marks of all the students.
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In a class average age of 15 boys is 11. If 5 boys each of age 9 years are added, what would be the new average?
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If the number of quantities in group A is 10 and in group B is 8, and their individual average is 24 and 16 respectively, find the combined average of the two groups.
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Find the average of first 5 consecutive even numbers starting from 2 to 10, where the last even number is 10.
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Find the average of the square of first 6 consecutive even numbers starting from 2 to 12, where the last even number is 12.
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