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IBPS Clerk Quantitative Aptitude — practice by topic

Browse 201 questions across 18 Quantitative Aptitude topics. Choose what you want to revise, then open a question to check its answer and worked solution.

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Quantitative Aptitude topics

Simple Interest (52)Percentage (36)Interest (34)Mensuration (18)Multiplication (18)Number Properties (18)Number Sense (18)Percentages (18)Quant Concepts (18)Quant Formulas (18)Shortcuts (18)Simple & Compound Interest (16)Averages (9)Profit and Loss (9)Ratio and Proportion (9)Time and Work (9)Square Roots (8)Squares And Roots (1)

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A basket holds 20 apples and 5 oranges. What per cent of the fruits are oranges?Read the answer and worked solution →Girls form 60 per cent of a class and there are 18 girls. How many students are in the class?Read the answer and worked solution →An item marked at Rs 840 is sold for Rs 714. What is the discount per cent?Read the answer and worked solution →A frock is listed at Rs 220 and a discount of 20 per cent is announced. What is its sale price?Read the answer and worked solution →

Worked practice questions

A basket holds 20 apples and 5 oranges. What per cent of the fruits are oranges?

  1. 20 per cent
  2. 25 per cent
  3. 80 per cent
  4. 50 per cent
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Correct answer: A. 20 per cent

1. Total fruits = 20 apples + 5 oranges = 25. 2. Fraction that is orange = 5/25. 3. Convert to per cent: (5/25) x 100 = 20. 4. So oranges are 20 per cent and apples the remaining 80 per cent. _Source: syllabus Maths Ch7 'Comparing Quantities', section 7.1_

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Girls form 60 per cent of a class and there are 18 girls. How many students are in the class?

  1. 28
  2. 30
  3. 32
  4. 36
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Correct answer: B. 30

1. Let the total number of students be x. 2. 60 per cent of x = 18, so (60/100) x = 18. 3. x = (18 x 100) / 60 = 30. 4. Check: 60 per cent of 30 = 18 girls, leaving 12 boys. _Source: syllabus Maths Ch7 'Comparing Quantities', Example 1_

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An item marked at Rs 840 is sold for Rs 714. What is the discount per cent?

  1. 12 per cent
  2. 18 per cent
  3. 15 per cent
  4. 20 per cent
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Correct answer: C. 15 per cent

1. Discount = Marked price - Sale price = 840 - 714 = Rs 126. 2. Discount per cent is always taken on the marked price. 3. Discount per cent = (126 / 840) x 100. 4. = 15 per cent. _Source: syllabus Maths Ch7 'Comparing Quantities', Example 2_

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