Percentage Questions and Answers

In a market survey, 20% opted for product A whereas 60% opted for product B. The remaining individuals were not certain. If the difference between those who opted for product B and those who were uncertain was 720, How many individuals were covered in the survery ?

Two students appeared at an examination. One of them secured 9 marks more than the other and his marks was 56% of the sum of their marks. The marks obtained by them are:

A fruit seller had some apples. He sells 40% apples and still has 420 apples. Originally, he had:

 What percentage of numbers from 1 to 70 have 1 or 9 in the unit's digit?

 If A = x% of y and B = y% of x, then which of the following is true?

If 20% of a = b, then b% of 20 is the same as:

In a certain school, 20% of students are below 8 years of age. The number of students above 8 years of age is of the number of students of 8 years of age which is 48. What is the total number of students in the school?

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 student multiplied a number by 3 /5 instead of 5/3 What is the percentage error in the calculation?

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: