The average of 6 numbers is 7. The average of three numbers of them is 5. What will be the average of remaining numbers?
Quiz Recommendation System API Link - https://fresherbell-quiz-api.herokuapp.com/fresherbell_quiz_api
# | Quiz |
---|---|
1
Discuss
|
Find the average of the following sets of scores:385, 441, 876, 221, 536, 46, 291, 428
Solution |
2
Discuss
|
The average weight of 10 oarsmen in a boat is increased by 1.5kg when one of the crew who weighs 58kg is replaced by a new man.
Solution |
3
Discuss
|
If the mean of 4 observations is 20, when a constant 'c' is added to each observation, the mean becomes 22. The value of c is :
Solution |
4
Discuss
|
Five years ago, the average age of A, B, C and D was 45 yr. with E joining them now, the average of all the five is 49 yr. How old is E?
Solution |
5
Discuss
|
The average of runs of a cricket player of 10 innings was 32. How many runes must be made in his next innings so as to increase his average of runs by 4?
Solution |
6
Discuss
|
The average of X1, X2 and X3 is 14. Twice the sum of X2 and X3 is 30. What is the value of X1?
Solution |
7
Discuss
|
The average of 9 observations was found to be 35. Later on, it was detected that an observation 81 was misread as 18. The correct average of the observation is -
Solution |
8
Discuss
|
The average of the first five multiples of 9 is:
Solution |
9
Discuss
|
The average age of the boys in a class is 16 years and that of the girls is 15 years. The average age for the whole class is-
Solution |
10
Discuss
|
19 people went to a hotel for combine dinner party 13 of them spent Rs. 79 each on their dinner and rest spent 4 more than the average expenditure of all the 19. What was the total money spent by them.
Solution |
# | Quiz |
Copyright © 2020 Inovatik - All rights reserved