CTEVT 2072 – Math

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Math – CTEVT – After SEE – LS

CTEVT 2072 – Math

Dear ! This is CTEVT 2072 – Math Quiz and it contains 28 questions.

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1. If B⊂A, then what is the value of n(A∩B)?

n(A)

n(B)

n₀(A)

n(A∪B)

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2. The market price of a book is Rs.300 and is sold for Rs.250, what is the discount percentage?

20%

16 3/4%

16 1/2%

16 2/3%

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3. In pack of 52 cards. find the probability of getting non-face card.

3/13

1/13

10/13

4/13

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4. A machine costing Rs.300000 was sold for Rs.218700 after 3 years. What will be the rate of annual depreciation?

10%

15%

20%

13%

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5. A scalene triangle have……..

All side equal

2 side equal

All side different

2 side different

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6. What is the minimum and maximum value of probability?

1 and 2

2 and 1

0 and 1

1 and 0

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7. The length of a diagonal of a square based pyramid 18 √2 cm and the length of its edge is 15cm. What will be the slant height if the pyramid?

12cm

1cm

9cm

18cm

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8. The roman number L means

100

500

1000

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9. If x=yᶻ, y=zˣ and z=xʸ, then what does equal to xyz?

x+y+z

xz (y+z)

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10. If U={x: x∈N and x≤15} and U=A, then Aᶜ?

{ }

{16.16,17,……}

{1,2,3,……15}

{0}

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11. The length of shadow of a pole is 15 m. When the height of sun is 45°. What will be the height of the pole?

10m

15√3 m

15m

15/√3m

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12. The curved surface area of a cone is 757π sq.cm. if the slant height if the cone is thrice of the radius of the base, what is the diameter of the base of the cone?

25cm

5cm

10cm

20cm

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13. If P (A)=3/5 and P(B)=1/5, where A and Bare mutually exclusive events. What is the value of (A∩B)?

1/5

4/5

22/25

2/25

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14. Which one of the following represents n₀ (A)?

n(A)

n(B)

n(A-B)

n(B-A)

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15. Which formula is used to calculate the volume of an equilateral triangular based pyramid?

√3/2 1²xh

√3/2 1xh²

1/41²h

√3/4 1²xh

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16. If n₀ (A∩B)=12, n₀(A∩B)=10, n₀(B∩C)=5 and n₀(A)=25,what will be the value of n(A)?

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17. What percent profit or loss when the lemons are bought at 4 for Rs.1 and sold at 3 for Rs.1?

loss =100/3%

profit = 100/3%

loss = 1/3

profit = 1/3%

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18. A card is drawn randomly from a pack of cards and a dice is thrown at once, what is the probability of not getting a card of king as well as 5 on the dice?

1/78

137/78

19/78

10/13

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19. What is sum of natural numbers from 1 to 10?

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20. If n(U)=120, n(A-B)=40, n(B-A)=52, n(A∪B)=98, what is the value of n(A∩B)

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21. If (1/x-x)²=50, what is the value of x²+1/x²-4?

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22. What is the solution of √2x-1 = -1?

No solution

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23. The population of a town increase from 20000 to 25000, what is the annual population growth rate of the town?

25%

20%

15%

10%

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24. What is the mean value of given data 15,20,13,11,17.

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25. The total surface area of a hemi-sphere is 243πm². Find the radius of the hemisphere.

3π

4π

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26. The perimeter of a square is…..

L²

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27. If 4ˣ-4ˣ⁻¹=192, what will be the value of x?

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28. What is the formula to obtain total surface area of square based pyramid?

2al

2al+a²

4al+a²

al+2a²

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