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MATHEMATICS MAJOR A

Quiz by Salindunong RTC

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50 questions
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  • Q1

    If y = sin22x, find dy/dx.

    2 cos 4x

    2 sin 4x

    -4 sin 4x

    4 cos 2x

    45s
  • Q2

    Find the first derivative: y = sin (4x-5)

    4cos(4x-5)

    30s
  • Q3
    45s
  • Q4

    Find x so that x-1,x+2, and x+8 are consecutive terms of a geometric progression.

    2

    3

    5

    4

    30s
  • Q5

    Christopher received a score of 89 in a science test in which the mean score 80 and the standard deviation was 6. Carlomer scored 83 on the social science test in which the mean was 73 and the standard deviation was 4. Who performed better in the test relative to his class?

    Christopher

    Both scored equally

    Carlomer

    Either Christopher or Carlomer

    30s
  • Q6

    In how many ways can a photographer arrange 6 people in a row to pose for a photographer?

    120

    600

    720

    30

    30s
  • Q7

    If the smallest and largest number in set Q are removed, what is the median of set Q?

    Q ={10,9,2,6,3,4,1,5,7,2}

    4

    5

    4.5

    5.5

    30s
  • Q8

    It is the most reliable of all measures of variability.

    Midrange

    Standard Deviation

    Variance

    Range

    30s
  • Q9

    A conditional probability is the probability of

    one event and another event

    One event occurring given that another event  has occurred

    one event or another event

    an event that is certain to happen

    30s
  • Q10

    If a triangle and parallelogram have the same base and altitude, then which of the following is true?

    None of the above is true.

    The area of the triangle is twice the area of the parallelogram.

    The two areas are equal.

    The area of the triangle is half that of the parallelogram.

    30s
  • Q11

    If the volume of a cone is 250 cm3 and the height is 10 cm, what is the length of the radius to the nearest tenth?

    1.9 cm

    4.9 cm

    3.6 cm

    2.8 cm

    30s
  • Q12

    The roots of an equation are 4 and 5. Determine the equation. 

    x^2-2x+15=0

    x^2+7x+6=0

    x^2-9x+20=0

    x^2+9x+20=0

    30s
  • Q13

    What is the mean proportional to 9 and 25?

    18

    16

    15

    17

    30s
  • Q14

    How many grams of salt must a chemist add to 59 grams of 25% solution to obtain 40% salt solution?

    12.5

    16

    14.75

    10

    30s
  • Q15

    The age of two brothers can be represented as consecutive even integers. Twelve years ago, the sum of their ages was 10. How old is each now?

    10, 12

    16, 18

    14, 16

    12, 14

    30s

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