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

2al

2al+a²

4al+a²

al+2a²

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

3π

4π

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

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4. 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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5. 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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6. 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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7. 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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8. 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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9. 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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10. A scalene triangle have……..

All side equal

2 side equal

All side different

2 side different

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11. 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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12. 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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13. 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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14. 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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15. The perimeter of a square is…..

L²

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

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

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19. The roman number L means

100

500

1000

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

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

n(A)

n(B)

n(A-B)

n(B-A)

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

x+y+z

xz (y+z)

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24. 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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25. 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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26. What is the solution of √2x-1 = -1?

No solution

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27. 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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28. 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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