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The average of 30 numbers was initially calculated as 45. However, it was later found that one of the numbers had been incorrectly recorded as 83 instea...
Find the average of the following set scores. 450, 1050, 12, 390, 143, 286, 550, 999
The average of 15 numbers is 110. The average of the first 7 numbers is 98 and the average of the last 7 numbers is 62. What is the 8th number?
The average age of Anuj, Saroj and Tanuj is 36 years. The average age of Anuj and Saroj is 30 years, while the average age of Tanuj and Anuj is 36 years...
The average age of 18 children and their teacher's age are 15 years. If the teacher's age is excluded, the average reduces by 2. What is the teacher's age?
The average age of a group of persons going for tour to Shimla is 22 years. 30 new persons with an average age of 8 years join the group and their avera...
Find the median of the following observation:
24, 28, 29, 21, 19, 18, 25, 27, 17, 20, 28, 30, 11, 13
The average of five consecutive odd numbers is 61. What is the average of the first three numbers among them?
The average score obtained by 23 students in a class test is 68 marks. The top place was shared by 3 people who got the same score. If the lowest score ...
The average age of 4 children in a family is 30% of the average age of the mother and the youngest child. The total age of the father and the eldest chi...
