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CA Foundation Mathematics — practice by topic

Browse 65 questions across 8 Mathematics topics. Choose what you want to revise, then open a question to check its answer and worked solution.

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Mathematics topics

Arithmetic Progression (26)Linear Programming (25)Probability (8)Interest (2)Mathematics (1)Permutations and Combinations (1)Ratio (1)Statistics and Probability (1)

Try a Mathematics question

The simple interest on ₹10,000 at 8% per annum for 2 years isRead the answer and worked solution →₹5,000 at 10% per annum compounded annually for 2 years amounts toRead the answer and worked solution →The number of ways to arrange the letters of the word 'EXAM' isRead the answer and worked solution →If the ratio of two numbers is 3:4 and their sum is 56, the larger number isRead the answer and worked solution →

Worked practice questions

The simple interest on ₹10,000 at 8% per annum for 2 years is

  1. ₹1,600
  2. ₹1,800
  3. ₹2,000
  4. ₹800
Show answer and solution

Correct answer: A. ₹1,600

We have SI = P·R·T/100. That is SI = 10000·8·2/100. So SI = ₹1,600.

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₹5,000 at 10% per annum compounded annually for 2 years amounts to

  1. ₹5,500
  2. ₹6,000
  3. ₹6,050
  4. ₹6,100
Show answer and solution

Correct answer: C. ₹6,050

We have A = P(1+r)^t. That is A = 5000·(1.1)². That is A = 5000·1.21. So A = ₹6,050.

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The number of ways to arrange the letters of the word 'EXAM' is

  1. 12
  2. 4
  3. 16
  4. 24
Show answer and solution

Correct answer: D. 24

4 distinct letters → 4! = 24 arrangements.

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