Average weight of 25 persons is increased by 1 kg when one man weighing 60 kg is replaced by a new person. Weight of new person is? Mark as favorite Copy Link 50 kg 61 kg 86 kg 85 kg Check Answer
The mean of 20 items is 55. If two items 45 and 30 are removed, the new mean of the remaining items is? Mark as favorite Copy Link 65.1 65.3 56.9 56 Check Answer
A cricket player after playing 10 tests scored 100 runs in the 11th test. As a result, the average of his runs is increased by 5. The present average of runs is? Mark as favorite Copy Link 45 40 50 55 Check Answer
A library has an average of 510 visitors on Sundays and 240 on other days. The average number of visitors per day in a month of 30 days beginning with a Sunday is? Mark as favorite Copy Link 285 290 297 305 Check Answer
Average weight of 25 students of a class is 50 kg. If the weight of the class teacher is included, the average is increased by 1 kg. The weight of the teacher is? Mark as favorite Copy Link 76 kg 77 kg 74 kg 75 kg Check Answer
In a class of 78 students 41 are taking French, 22 are taking German. Of the students taking French or German, 9 are taking both courses. How many students are not enrolled in either course? Mark as favorite Copy Link 6 12 24 18 Check Answer
The average age of 14 girls and their teacher’s age is 15 years. If the teacher’s age is excluded,the average reduces by 1. What is the teacher’s age? Mark as favorite Copy Link 35 years 32 years 30 years 29 years Check Answer
The mean of 50 observations was 36. It was found later that an observation 48 was wrongly taken as 23. The corrected new mean is? Mark as favorite Copy Link 35 36.5 40 42 Check Answer
30 pens and 75 pencils altogether were purchased for 510. If the average price of a pencil was 2, what was the average price of a pen? Mark as favorite Copy Link 9 10 11 12 Check Answer
The average weight of 8 persons increases by 2.5 kg when a new person comes in place of one of them weighing 65 kg. What might be the weight of the new person? Mark as favorite Copy Link 70 kg 75 kg 80 kg 85 kg Check Answer