Mathematical Modeling | MCQs

    Q1: A number is increased by 20% and then decreased by 20%. Find the net increase or decrease percent.

    • A. Increased by 4%
    • B. Decreased by 4%
    • C. None
    • D. Does not changes

    Q2: What is the value of x in 3x - 15 - 6 = 0?

    • A. 6
    • B. 9
    • C. 7
    • D. -9

    Q3: Find the mean proportion between 5 and 45?

    • A. 50
    • B. 15
    • C. 9
    • D. 25

    Q4: A man spends Rs 3,300. This is 75% of his monthly income. His monthly income is?

    • A. 5500
    • B. 4400
    • C. 4100
    • D. 3800

    Q5: If 3 is a solution of 3x^2 + (k -1) x + 9 = 0, then k =?

    • A. 11
    • B. 13
    • C. None of these
    • D. -11

    Q6: If we multiply a fraction by itself and divide to product by its reciprocal, the fraction thus obtained is 18 26/27. What is the original fraction?

    • A. 2.67
    • B. 1.33
    • C. 3.66
    • D. None of these

    Q7: One solving x+2y =13, x+y+z=12, 2y+z=11 answer will be?

    • A. x=3, y=5, z=4
    • B. None of these
    • C. x=5, y=4, z=3
    • D. x=4, y=5, z=3

    Q8: To fill a tank, 25 buckets of water is required to fill the same tank if the capicity of the buckets is reduced to two fifth of its present capacity?

    • A. 60
    • B. 50
    • C. 62.5
    • D. 63.5

    Q9: If R = xS⁴, when S = 5 and R = 6, then find value of R when S = 8?

    • A. 20.5
    • B. 32.8
    • C. 39.3
    • D. 52.4

    Q10: 1/10 × 3/5 × 6/5 = _____?

    • A. 9/125
    • B. 2/125
    • C. 9/225
    • D. 7/125
✅ Correct: 0 | ❌ Wrong: 0 | 📊 Total Attempted: 0
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