Lemma

Arithmetic · Chapter 12 of 14

Averages

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98404The average of 50 numbers id 20Medium
98453For the positive integers x, x + 2, x + 4, x…Medium
98458The average of 11numbers is 60Medium
98469A school has received 60% of the amount it needs for a…Medium
98470In a company of 11 employees, 5 employees earn …45,000, and the…Medium
98475Average monthly income of a family of 3 earning members was RsMedium
98484A car averages 35 miles per hour for the first 4 hours…Medium
98501An ant walks an average of 1000 meters in 30 minutesMedium
98506The average (arithmetic mean) monthly income of four workers is …1,200Medium
98508The average of marks obtained by 120 boys was 39Medium
98511If 45% of a class averages 95% on a test, 50% of…Medium
98546The average age of a group of 10 students was 25Medium
98631Car A travels at three times the average speed of car BMedium
98635A, B, and C were to be paid in proportion to the…Medium
98649What is the average of xx,2x2x,and 66Medium
98672A money lender lent a total of …1400, how much did he…Medium
98681The average earning of a mechanic for the first-four days of a…Medium
98746A bus covered a distance of 250 km, partly at an average…Medium
98751The averge score of a cricketer for ten matches is 66 runsMedium
98766The average of 65 numbers is 40Medium
98767If x+y=10z, then which of the following represents the average (arithmetic mean)…Medium
98813Two sets A and B consists only of positive integers such that…Medium
98817Of the 13 employees in a certain department, 1 has an annual…Medium
98820After M students took a test, the average score was 65%Medium
98827In a company of 16 employees, 8 employees earn …42,000, and the…Medium
98921A batsman has scored an average of 46 runs for a certain…Medium
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