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Start learning 50% faster. Sign in nowIn 2020, the United States had the highest per capita health expenditure among OECD countries.
The mean of 50 observations was calculated as 75. It was later found that one of the observations was misread as 173 instead of 113. The correct mean is...
The average age of a class of 20 girls is 14 years. If 5 new girls having average age of 9 years join the class, then the average age of the class becomes:
The average age of a group of 70 students is 14 years. If three students whose ages are 22years, 20years, ________ years is replaced with three new stud...
A number is such that when it is multiplied by 5, it gives another number which is as much above from 270 as the original number (itself) is below 270. ...
A cricketer whose bowling average is 24.85, runs per wicket, takes 5 wickets for 52 runs and thereby decreases his average by 0.85. The number of wicket...
The average weight of 4 persons is 33 kg. The heaviest person’s weight is 30 kg more than the lightest person’s weight. If the average weight of the...
In an Aerobic class, the average age of all the members was 54.5 years, 11 members left the class and 7 new members joined. If the average age increase...
The average salary of 36 employees ( Teachers+principals) in a School is Rs.10,375. A Principal in the School receives a salary that is 125% higher than...
In an examination, the average marks obtained by the students is 40. After correcting the quantitative mistakes, the average of 50 students is reduced t...
