quiz-2-avg-percentages

If 80% of A = 50% of B and B = x% of A, then the value of x is :

• 400
• 300
• 160
• 150

If x is 80% of y, what percent of y is x ?

• 75%
• 80%
• 100%
• 125%

If 8% of x is the same as 4% of y, then 20% of x is the same as:

• 10% of y
• 16% of y
• 80% of y
• 50% of y

If p% of p is 36, then p is equal to :

• 3600
• 600
• 60
• 15

2 is what percent of 50?

• 2
• 2.5
• 4
• 5

30% of x is 72. The value of x is:

• 216
• 240
• 480
• 640

31% of employees pay tax in the year 2008. Non-tax paying employees are 20,700. The total number of employees is:

• 31,160
• 64,750
• 30,000
• 66,775

A team played 40 games in a season and won in 24 of them. What percent of games played did the team win?

• 70%
• 40%
• 60%
• 35%

A student was asked to find the arithmetic mean of the following 12 numbers : 3, 11, 7, 9, 15, 13, 8, 19, 17, 21, 14 and x. He found the mean to be 12. The value of x will be :

• 3
• 7
• 17
• 31

The average of the marks obtained in an examination by 8 students was 51 and by 9 other students was 68. The average marks of all 17 students was :

• 59
• 59.5
• 60
• 60.5