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NAB Investigation Officer (BS-17) Mathematics: Practice MCQs with Answers

Practise NAB Investigation Officer (BS-17) Mathematics practice MCQs in sets of about 20 questions with instant answers and explanations. This page focuses on mixed practice sets across the full question bank, helping you build accuracy and speed for the actual NAB Investigation Officer (BS-17) paper.

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Sample NAB Investigation Officer (BS-17) Mathematics practice questions

  1. Q1. What will be the simple interest on Rs. 4,000 at 12.5 percent per annum for the period from 4th February 2005 to 18th April 2005?

    • A) Rs. 215
    • B) Rs. 120
    • C) Rs. 200
    • D) Rs. 100

    Answer: Rs. 100

  2. Q2. If f(x) = 2x + 3, what is f(4)?

    • A) 9
    • B) 10
    • C) 11
    • D) 12

    Answer: 11

  3. Q3. An article is sold at a loss of 12%. If the cost price is Rs. 850, what is the selling price?

    • A) Rs. 762
    • B) Rs. 750
    • C) Rs. 736
    • D) Rs. 748

    Answer: Rs. 748

  4. Q4. The mean of a data set of 5 values is 10. The sum of squared deviations from the mean is 80. What is the variance?

    • A) 16
    • B) 20
    • C) 14
    • D) 18

    Answer: 16

  5. Q5. The mean proportion between 4 and 36 is?

    • A) 12
    • B) 14
    • C) 16
    • D) 18

    Answer: 12

Frequently asked questions

What are practice Mathematics MCQs for NAB Investigation Officer (BS-17)?

Practice Mathematics MCQs are mixed practice sets across the full question bank. On Imtehan they are grouped into short sets so you can review one topic at a time before moving to timed mocks.

How many NAB Investigation Officer (BS-17) Mathematics practice questions can I practise?

Imtehan organises NAB Investigation Officer (BS-17) Mathematics questions into multiple sets. Start with the sample questions below, then open a set to practise interactively with scoring and explanations.

Is NAB Investigation Officer (BS-17) Mathematics practice practice free?

Yes — you can practise NAB Investigation Officer (BS-17) Mathematics MCQs for free on Imtehan. Premium unlocks detailed analytics and unlimited mock attempts.

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