Mathematics

10 Questions

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Mathematics Quizzes & Trivia

Test your knowledge on different areas of Mathematics


Questions and Answers
  • 1. 
    Solve for x: 2log x - log (30- 2x) = 1
    • A. 

      -30

    • B. 

      15

    • C. 

      12

    • D. 

      10

  • 2. 
    The equation of a circle is given as x^2 + y^2 – 6x + 4y – 12 = 0, find its center?
    • A. 

      C(3,2)

    • B. 

      C(-3,2)

    • C. 

      C(-3,-2)

    • D. 

      C(3,-2)

  • 3. 
    My sister Verna is 5 years older than I am. In 5 years, she will be 18 years old. How old am I today?
    • A. 

      11

    • B. 

      10

    • C. 

      8

    • D. 

      13

  • 4. 
    A stone is dropped into a deep well and is heard to hit the water 3.41 sec after being dropped. Determine the depth of the well.
    • A. 

      52.3 m

    • B. 

      57 m

    • C. 

      -52.3 m

    • D. 

      -57 m

  • 5. 
    A piece of wire is 12 in. long. The wire is cut into two pieces and then each piece is bent into a square. Find the length of the longer piece if the sum of the areas of these two squares is to be 3.5 in^2.
    • A. 

      7

    • B. 

      6

    • C. 

      5

    • D. 

      4

  • 6. 
    What are the radius, r, and height h, of cylindrical oil that can holds 5 liters of oil but must have minimum surface area?
    • A. 

      R = 9.27cm; h = 18.53cm

    • B. 

      R = 1.26cm; h = 20.83cm

    • C. 

      R = 5.4cm; h = 18.53cm

    • D. 

      R = 15.9cm; h = 12.56cm

  • 7. 
    For a given numbers (2, 2, 3, 6, 9), find the standard deviation of sample?
    • A. 

      1.73

    • B. 

      0.04

    • C. 

      1.14

    • D. 

      2.73

  • 8. 
    Enriv wants to make a 100 ml vodka of 5% alcohol solution mixing a quantity of a 2% water solution with 7% alcohol solution. What are the quantities of each of the two solution (2% & 7%) he has to use?
    • A. 

      25:75

    • B. 

      50:50

    • C. 

      30:70

    • D. 

      40:60

  • 9. 
    If x increases uniformly at the rate of 0.01 ft/sec, at what rate is the expression (2 + x )^3 increasing when x becomes 8 feet?
    • A. 

      2 cfs

    • B. 

      3 cfs

    • C. 

      4 cfs

    • D. 

      5 cfs

  • 10. 
    Double my number and subtract 9; then you will get 67. What is my number?
    • A. 

      25

    • B. 

      38

    • C. 

      37

    • D. 

      27