Campus Credentials

Mathematics | Pre-Reading Material Quiz

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Result

93%
28 out of 30 questions answered correctly

Rules for Quiz

  • Please read all the questions very carefully.
  • There are a total of 30 questions in the quiz.
  • All Questions are compulsory.
  • The quiz contains questions based on the reading material which was provided to you before the camp.
  • This is an open book/internet quiz.
  • There is no time limit for the quiz.
  • The quiz wont be available after 9th June,2024 10:00PM
  • The student has to score at least 80% to pass the quiz.
  • Students can attempt the test maximum 3 times.
  • Questions count: 30
  • Passing grade: 80%

1. Solve this expansion

2n
n(n+1)
n^2
2n-1

2. Find coefficient of

12
54
56
81

3. Number of students selected for Math.biz is a/an ________

Continuous Variable
Discrete Variable
Endogenous Variable
All of these

4. If a change in the independent variable brings about a change in the dependent variable in the opposite direction then dy/dx is said to be

Negative
Positive
Zero
Can't tell

5. The function F(t) shows the total numbers of universities in Slovakia.The numbers of universities _____________ by _______% in each year

Decreases and 75%
Increases and 25%
Decreases and 25%
Increases and 75%

6. Solve for ‘x’

9
27
81
3

7. Solve:

-6
4
5
-5

8. Find the mean and mode of the data: 2,7,9,1,3,4,5,2,5,3,6,9,2,7,8,4,6,3,2,8

4.6 and 3
4.75 and 3
4.8 and 2
4.7 and 2

9. Find the median of the data: 7,5,8,26,3,15,31,19,1,4,12,2

7.5
4.5
3.5
6.5

10. Find the sum of series

3/2
1/2
1
2

11. A _________________ X on a sample space Ω is a real-valued function that assigns to each sample point ω ∈ Ω a real number X(ω).

Discrete Variable
Random Variable
Probability Function
Continuous Variable

12. When we pick a card from a deck of 52 cards (A,2,-----, 10,K,Q,J,) what is the result in expectation? Here J=11, Q=12, K=13 and A=1 Hint: There are 4 cards of each number in a deck

6
8
7
9

13. Using the section formula, find the point C which divides line AB externally in the ratio 2:3. Here A(5,4) and B(1,7)

(-6,13)
(-8,12)
(-9,12)
(-7,13)

14. Which type of confidence interval is this?

Right-sided 90%
Both sided 45%
Not a confidence interval
Left-sided 90%

15. Find the probability of getting a sum as 14 when 3 dice are rolled together?

4/72
3/72
5/72
2/72

16. Solve for x

1/2
1/4
1
1/3

17. The sum of slopes of the following lines is i) 2y+5x=1 ii) 5x+11y=3

65/22
-22/65
-65/22
22/65

18. Find the common difference of the geometric progression whose 2nd term is 60 and 5th term is 324/25

3/5
4/5
1/5
2/5

19. Find the value of x

3
4
2
5

20. In what ratio does the x axis divide the line segment joining the points (-5,2) and (7,1)

1:3
2:3
1:2
2:5

21. Solve the following system of equations for the value of x and y

(1/9 , 4/3) and (2,4)
(1/9 , 4/3) and (1,4)
(1/9, 2/3) and (1,4)
(1/9,2/3) and (2,4)

22. Which of the following represents the graph of Sum of GP when r<1 and a=1? Here x-axis represent values of number of terms and y-axis represents the Sum of GP

23. The expectation of the sum of the random variables does not equal the sum of their expectations.

True
False
Can't Say

24. ______________is the set of all possible data points for some measure.

Population
Sample
Variable
Probability

25. Find value of n

12
14
11
10

26. What is the expected value of the sum of numbers obtained when 4 dices are rolled

14.5
12.5
13
14

27. Which of the following are the coefficients of the 5th step of the Pascal triangle?

1, 3, 3, 1
1,4,10,10,4,1
1,5,10,10,5,1
1,6,15,20,15,1

28. The statistical term used for measuring the spread is known as

Mean
Median
Mode
Standard Deviation

29. Find the coefficient of the term independent of x in expansion of

10
40
80
32

30. The earth loses a quarter of its plants every 600 years. The plants can be modelled by a function, P which depends on the time ‘t’ in years. Initially plants on earth are 21504. Find the number of plants on Earth in next 3000 years.

23
24
21
20
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