Percentage - Data Intensity 1 Multiple Questions and Answers.




6.If 20% of a = b, then b% of 20 is the same as?
A. 4% of a
B. 5% of a
C. 20% of a
D. None of Above

7.In a certain school, 20% of students are below 8 years of age. The number of students above 8 years of age is 2/3 of the number of students of 8 years of age which is 48. What is the total number of students in the school?
A. 72
B. 80
C. 120
D. 100

8.Two numbers A and B are such that the sum of 5% of A and 4% of B is two-third of the sum of 6% of A and 8% of B. Find the ratio of A : B.
A. 2 : 3
B. 1 : 1
C. 3 : 4
D. 4 : 3

9.A student multiplied a number by 3/5 instead of 5/3.

What is the percentage error in the calculation?

A. 34%
B. 44%
C. 54%
D. 64%

10.In an election between two candidates, one got 55% of the total valid votes, 20% of the votes were invalid. If the total number of votes was 7500, the number of valid votes that the other candidate got, was?
A. 2700
B. 2900
C. 3000
D. 3100

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