Problems on Averages - Aptitude Questions and Answers Part 5

21. A new public garden was inaugurated in the vicinity at the end of April 2017. Rohit wanted to find the average number of visitors per day in May 2017 which started on Monday. The stats he collected are as follows:

i. Average number of visitors on Monday, Wednesday and Friday : 225
ii. Average number of visitors on Tuesday, Thursday and Saturday : 311
iii. Average number of visitors on Sunday : 520

What output would Rohit get from this data?

a. 288
b. 299
c. 315
d. 382


22. What is the average of first 15 prime numbers?

a. 12.9
b. 17.8
c. 19.4
d. 21.9


23. Reema got the average of 16 numbers as 38.8. While checking the inputs, the teacher realized that there were some mistakes in the entry of four number.

What she entered?	The correct entry
44	52
25	33
12	18
17	66

If the entries had been made correctly, what would have been the answer?

a. 34.36
b. 35.22
c. 42.18
d. 43.24


24. 6 numbers average up to 'p'. 3 of them average to 'q' while the remaining 3 average to 'r'. Which of the following relations would hold true?

a. p = q + r
b. 2p = q + r
c. p = 2q + 2r
d. None of these


25. The average runs scored by a cricketer in 10 innings are X. He plays his next innings and scores 108 runs. This increases the average by 6 runs. What is his new average?

a. 48 runs
b. 52 runs
c. 55 runs
d. 60 runs