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Agniveer Army Quantitative Aptitude — practice by topic

Browse 291 questions across 60 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

Arithmetic Algebra Mensuration (31)Multiplication (30)Number Properties (30)Percentage (30)Squares And Roots (30)Simple Interest (26)Compound Interest (25)Ratio and Proportion (16)Time and Work (16)Profit and Loss (14)Simple & Compound Interest (14)Geometry Trigonometry Mensuration (11)Interest (11)Averages (10)Simplification (8)Fractions (7)Mensuration (5)Number System (5)Percentages (4)Average Speed (2)Divisibility Rules (2)Integers and BODMAS (2)Number Series (2)Number System LCM HCF (2)Order of Operations (2)Trigonometric Identities (2)Ages (1)Arithmetic (1)Basic Arithmetic (1)Boats and Streams (1)Counting (1)Data Interpretation (1)Equivalent Fractions (1)Fractions and BODMAS (1)Geometry of Rectangles (1)HCF and LCM (1)HCF of Algebraic Terms (1)HCF of Fractions (1)LCM Applications (1)Mensuration of Cone (1)Order of Operations (BODMAS) (1)Partnership (1)Percentage Error (1)Polynomials and HCF (1)Prime Numbers (1)Profit Loss (1)Quadratic Equations (1)Rational and Irrational Numbers (1)Shortcuts (1)Simplification (BODMAS) (1)Speed Distance (1)Speed, Distance and Time (1)Speed, Time and Distance (1)Statistics - Mean, Median, Mode (1)Statistics - Median (1)Time, Speed and Distance (1)Time Speed Distance (1)Trains (1)Unit Conversion (1)Volume and Mensuration (1)

Try a Quantitative Aptitude question

What is 15% of 320?Read the answer and worked solution →If 30% of a number is 96, the number isRead the answer and worked solution →A number is first increased by 20% and then decreased by 20%. The net change isRead the answer and worked solution →If the price of sugar rises by 25%, by what percent must consumption fall to keep expenditure unchanged?Read the answer and worked solution →

Worked practice questions

What is 15% of 320?

  1. 48
  2. 52
  3. 54
  4. 42
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Correct answer: A. 48

0.15 x 320 = 48. Quick check: 10% = 32, 5% = 16, total = 48.

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If 30% of a number is 96, the number is

  1. 280
  2. 320
  3. 340
  4. 360
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Correct answer: B. 320

0.30 N = 96, so N = 320. Check: 30% of 320 = 96.

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A number is first increased by 20% and then decreased by 20%. The net change is

  1. 4% decrease
  2. 4% increase
  3. No change
  4. 2% decrease
Show answer and solution

Correct answer: A. 4% decrease

**Successive percentage change:** a + b + ab/100 = 20 + (-20) + (20)(-20)/100 = -4%. Equivalently, 1.20 x 0.80 = 0.96 = 4% decrease.

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