Question
What is the absolute difference between the highest and
lowest average runs scored by Australian batsmen, including the all-rounder, across all five matches?Solution
David Warner: (72 + 45 + 20 + 110 + 15) / 5 = 262 / 5 = 52.4 Aaron Finch: (50 + 60 + 90 + 25 + 40) / 5 = 265 / 5 = 53 Steve Smith: (65 + 70 + 30 + 45 + 55) / 5 = 265 / 5 = 53 Glenn Maxwell: (10 + 80 + 60 + 30 + 65) / 5 = 245 / 5 = 49 Matthew Wade: (25 + 35 + 50 + 20 + 10) / 5 = 140 / 5 = 28 Marcus Stoinis: (35 + 20 + 40 + 50 + 70) / 5 = 215 / 5 = 43 Highest average = 53 (Aaron Finch and Steve Smith) Lowest average = 28 (Matthew Wade) Difference = 53 - 28 = 25
- The average score of a player in 30 matches is 42. In the next five matches, he scored 80, 70, 60, 55, and 45. What is his new average?
In a gathering of 30 guests, the average age of each guest in the class is 21 years. Later, 4 more guests join the party, causing the average age of the...
In a cricket match the captain of one of a team scored 23 runs more than the average runs scored by the remaining 9 batsmen of that team who batted in t...
 In a school with 400 students, the average age of the boys is 16 years and that of the girls is 12 years. If the average age of school is 14 years 9 m...
The average of marks obtained by 50 candidates was 56. If the average of the passed candidates was 60 and that of the failed candidates was 50, then th...
Quantity I: Â The average weight of 30 people is increased by 1.5 kg when one man weight 48 kg is replaced by another man. Find the weight of new man?<...
- What is the average of the squares of the first 31 natural numbers?
The average cost price of 25 pens (having equal cost price) decreased by Rs.4, when one of the pen is replaced by a new pen having cost price of Rs.60. ...
Average marks of 30 students is 76. Two new students with marks (y + 8) and (y - 12) join, and the average becomes 75. Find (y - 35).
There are three numbers a, b and c such that a = 160, (a + b) = 460 and (c – b) = 80. Find their average.
Relevant for Exams:
