Question
In each of the following questions select the one which
is different from the other three responses.Solution
The open sides of the outer and middle designs face different directions except in figure (3). But all others are different to figure ( 3 ) .
The average age of (x + 4) players in a team is 18 years. If a 38 years old coach joins the team, the average increases by 1 year. Find x% of 500.
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 increased...
- A writer completed an average of 120 pages per week for the first 10 weeks. In the next 5 weeks, he completed βxβ pages per week, so that his overall a...
In a school, 30 boys scored an average of 76 marks while 40 girls scored an average of 88 marks. What is the average marks of all students together? (Ro...
5 positive numbers are written on a piece of paper. Sum of first 3 numbers is 55 and ratio of the 4th and the 5th number is 2:3. If difference between t...
The mean weight of 'w' students in a classroom is 42 kg. When the class teacher, weighing 61.5 kg, is added to the group, the average weight increases b...
The average of a set of 60 numbers was initially calculated as 40. However, it was later discovered that two numbers were incorrectly recorded as 68 and...
Average 20 numbers is βxβ. If the average of first 12 numbers is 72.5 while average of last 5 numbers is 82.2 and 13th, 14th a...
The average weight of (n + 1) girls is 50 kg, and the average weight of (n - 3) boys is 70 kg. If the overall average weight is 62 kg, how many boys are...
Average of four numbers is 16. Sum of smallest and largest number is 45. If difference between other two numbers is 1, then find the square of second sm...