KASNEB CPA Foundation Level (Kenya) · Business Mathematics and Statistics

Progressions, equations and matrices

13 practice questions, each with the answer and an explanation.

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Random questions from this topic, one at a time. You see the answer and the explanation straight after each one.

All 13 questions

  1. An employee is paid KSh 5,000 in the first month, and each month's pay is KSh 3,000 more than the month before, for 10 months. What is the total paid, in thousands of shillings?
  2. An employee is paid KSh 12,000 in the first month, and each month's pay is KSh 4,000 more than the month before, for 8 months. What is the total paid, in thousands of shillings?
  3. An employee is paid KSh 60,000 in the first month, and each month's pay is KSh 5,000 more than the month before, for 12 months. What is the total paid, in thousands of shillings?
  4. An employee is paid KSh 8,000 in the first month, and each month's pay is KSh 6,000 more than the month before, for 15 months. What is the total paid, in thousands of shillings?
  5. A savings plan starts with KSh 2,000 in month 1 and the deposit is multiplied by 2 each month. What is the total deposited after 6 months?
  6. A savings plan starts with KSh 500 in month 1 and the deposit is multiplied by 3 each month. What is the total deposited after 5 months?
  7. A savings plan starts with KSh 1,000 in month 1 and the deposit is multiplied by 2 each month. What is the total deposited after 7 months?
  8. Solve for x: 3x + 5 = 41.
  9. Solve for x: 2x + 9 = 31.
  10. A manager buys pens at KSh 15 each and notebooks at KSh 40 each. She spends KSh 700 on 25 items. How many notebooks did she buy?
  11. What is the determinant of the matrix with rows (2 1) and (1 3)?
  12. What is the determinant of the matrix with rows (3 2) and (1 4)?
  13. What is the determinant of the matrix with rows (4 1) and (2 3)?

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