Lemma

Arithmetic · Chapter 12 of 14

Averages

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86075Maru obtained 66, 65, 82, 67 and 75 marks (out of 100)…Medium
86161The average age of a husband and a wife is 30 years…Medium
86839The average of first four prime numbers greater than 50 isMedium
87017On day one, a store sold 96 pensMedium
87444Before being simplified, the instructions for computing income tax in Country R…Medium
87447Set S = {1, 2, 3, 4, 5, 6, 7, x} If…Medium
87603Danny obtained 76, 65, 82, 67 and 75 marks (out of 100)…Medium
88237Find average speed if a man travels at speed of 20km/hr up…Medium
89062Find the average of all the numbers between 6 and 34 which…Medium
89831The average age of a college is 21.8 yearsMedium
90719Y and Z are in a relay raceMedium
91023The average age of 7 men increases by 3 years when two…Medium
91229The total weight of nine nougat nuggets is 7 ozMedium
93196The average weight of 40 girls sitting in a bus had some…Medium
93756The average weight of 25 boys sitting in a class had some…Medium
93856The average age of twenty four boys in a class and the…Medium
94736Tommy's seafood restaurant gets a delivery of fresh seafood every day, 7…Medium
94799Three years ago the average age of a family of nine members…Medium
95397The average of 8 numbers is 21Medium
95736On day one, a store sold 86 cupsMedium
96315If M is the mean of x,y,z ; then what is the…Medium
97001Sam wrote 7 letters on Tuesday and 3 letters on WednesdayMedium
97244On day one, a store sold 100 hatsMedium
97288Set X is composed of nine numbers, labeled X1 through X9Medium
98144What strength of 20 ml alcohol should be added to 10ml of…Medium
98536Set L is composed of nine numbers, labeled L1 through L9Medium
98731Students at a school were on average 180 cm tallMedium
98867During a particular year in city X, there were an average (arithmetic…Medium
99090Last year, a Home Appliance Store sold an average(arithmetic mean) of 42…Medium
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