Q. 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:

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

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Q. 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.

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Q. In a certain school, 20% of students are below 8 years of age. The number of students above 8 years of age is of 2/3 the number of students of 8 years of age which is 48. What is the total number of students in the school?

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

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

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

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

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Q. 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:

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Q. A batsman scored 110 runs which included 3 boundaries and 8 sixes. What percent of his total score did he make by running between the wickets?

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