Averages
Practice Questions
Five years ago, Nuri was thrice as old as Sonu. After ten years from now, Nuri will be twice as old as Sonu. Find the p...
#2In a class of 40 students, the ratio of boys to girls is 3:2, and the average marks scored by boys is 42, while the ave...
#3Asha is twice as old as Anita. Three years ago, she was three times as old as Anita. How old is Asha now? ...
#4The average of 12 numbers is 15, and the average of the first two numbers is 14. What is the average of the remaining n...
#5The average of four numbers is 40. If the first number is one-third of the sum of the remaining numbers, then the first...
#6The mean of observations is 43. Later, it was found that 59 was misread as 69. What would be the correct mean? (correct...
#7The average of five consecutive natural numbers is 13. If the next two natural numbers are also included, then find the ...
#8If the average of 15, 25, 19, 20, 23, 18, and $$(x - 3)$$ is 20, then find the average of $$x$$, $$(x + 6)$$, $$(2x - 1...
#9In a Physics test, the average marks of girls in a class is 40. If the average marks of the first 20 girls is 50 and th...
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