# Fractions and Percentages

Fractions and Percentages: What is a Fraction? Fraction definition, Fraction Worksheets, Decimal to Fractions, Fractions Exercises with solved problems

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## Online Aptitude Questions with Answers on Fractions and Percentages

Q6. **If 20% of a = b, then b% of 20 is the same as:**

1.  4% of a
2.  5% of a
3.  20% of a
4.  None of these

Solution : 4% of a
Q7. **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?**

1.  72
2.  80
3.  120
4.  150
5.  100

Solution : 120
Q8. **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.**

1.  2 : 3
2.  1 : 1
3.  3 : 4
4.  4 : 3

Solution : 4 : 3
Q9. **A student multiplied a number by 3/5 instead of 5/3 What is the percentage error in the calculation?**

1.  34%
2.  44%
3.  54%
4.  64%

Solution : 64%

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Q10. **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:**

1.  2700
2.  2900
3.  3000
4.  3100

Solution : 2700
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