Statistics Mock Test 17 - Online MCQ Exam

If the sum of the digits of a two-digit number is 12, and the difference between the digits of that number is 6, what will be the number?

1 Mark(s)

Your Answer:

36 or 63 36 or 63
22 or 22 22 or 22
39 or 93 39 or 93
25 or 52 25 or 52

What is the square of \$9$?

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Your Answer:

72 72
79 79
81 81
90 90

The number of significant figures in value 0.0891 are:

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Your Answer:

four four
five five
two two
three three

If the three-fifth of a number is equal to 70% of another number, what is the ratio between the first number and second number?

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Your Answer:

6 : 7 6 : 7
7 : 6 7 : 6
3 : 4 3 : 4
4 : 3 4 : 3

(22 * 495 + 891 * 44) / (33 * 176 + 55 * 264) = _________?

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Your Answer:

1 1
2 2
69/28 69/28
66/17 66/17

If p(x) = x 3 – x 2 + x + 1, then value of p(1) + p(-1) is:

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Your Answer:

A) -1 A) -1
B) 1 B) 1
C) 1 C) 1
D) 4 D) 4

Assertion (A) A page is 25 cm long and 20 cm wide. The area of this page is 90 cm. Reason (R) The amount of surface enclosed by a closed figure is called its area.

1 Mark(s)

Your Answer:

A) Both A and R are true and R is the correct explanation of A
B) Both A and R are true but R is not the correct explanation of A
C) A is true but R is false C) A is true but R is false
D) A is false but R is true Perimeter of the shaded portion in figure is AB + … +.. + … + … + … + .. + HA Answer: BM+MD+DE + EN + NG+GH 2. Diagonal of a rectangle divides the rectangle in two __ parts. Answer: Equal 3. In the given figure, the area of ΔDAS is the __ of the area of rectangle ABCD. Answer: Half 4. The amount of region enclosed by a plane closed 1 figure is called its __ Answer: Area 5. The area of a play ground is 1190 m². If its length is 35 m, the width is __ Answer: 34 m True/False 1. If l and b are the length and width of a rectangle respectively, then the perimeter of rectangle is (l + b). Answer: False 2. The perimeter of a square is 4 times of its side. Answer: True 3. A farmer who wants to fence his field, must find the perimeter Of the field. Answer: True 4. If length of a rectangle is halved and breadth is doubled, then the area of the rectangle obtained remains same. Answer: True 5. Area of a square is doubled, if the side of the square is doubled. Answer: False Match the Columns

100 people had food provision for 24 days. If 20 persons left the place, the provision will last for

1 Mark(s)

Your Answer:

A) 30 days A) 30 days
B) 96 days B) 96 days
C) 120 days C) 120 days
D) 40 days D) 40 days

1 + cot²θ equals to:

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Your Answer:

sec²θ sec²θ
sin²θ sin²θ
cosec²θ cosec²θ
cos²θ cos²θ

Two pipes A and B can fill a tank in 20 and 30 minutes respectively. If both the pipes are used together, then how long will it take to fill the tank?

1 Mark(s)

Your Answer:

12 min 12 min
15 min 15 min
25 min 25 min
50 min 50 min

Which case does not exist in complexity theory?

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Your Answer:

Average case Average case
Null case Null case
Best case Best case
Worst Case Worst Case

15% of 195 + 14% of 205 = _______?

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Your Answer:

52 52
62 62
58 58
78 78

On selling 17 balls at Rs. 720, there is a loss equal to the cost price of 5 balls. The cost price of a ball is:________?

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Your Answer:

Rs. 45 Rs. 45
Rs. 50 Rs. 50
Rs. 55 Rs. 55
Rs. 60 Rs. 60

For making voters lists in Pakistan we need _______________?

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Your Answer:

Simple random sampling Simple random sampling
Systematic sampling Systematic sampling
Quota sampling Quota sampling
Census Census

Angles between 180° and 270° lies in:

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Your Answer:

1st quadrant 1st quadrant
2nd quadrant 2nd quadrant
3rd quadrant 3rd quadrant
4th quadrant 4th quadrant

A experiment repeated number of time one by one is called _________________?

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Your Answer:

Random Random
Raw data Raw data
Introduce Introduce
Specified Specified

A cricketer has a certain average for 10 innings. In the eleventh inning, he scored 108 runs, there by increasing his average by 6 runs. His new average is_____________?

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Your Answer:

48 runs 48 runs
52 runs 52 runs
55 runs 55 runs
60 runs 60 runs

If the points A(2, 0), B(- 6, 0) and C(3, a- 3) lie on the x-axis, then the value of a is :

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Your Answer:

A) 0 A) 0
B) 2 B) 2
C) 3 C) 3
D) -6 D) -6

What is $7 \times 8$?

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Your Answer:

48 48
54 54
56 56
63 63

The round off value of 108.76 to the nearest whole number is:

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Your Answer:

106 106
109 109
108 108
107 107

A cistern has two taps which can fill it in \$12$ and \$15$ hours. There is also a waste pipe. If all three are opened, the cistern is filled in \$20$ hours. In how many hours can the waste pipe empty the full cistern?

1 Mark(s)

Your Answer:

8 hours 8 hours
10 hours 10 hours
12 hours 12 hours
15 hours 15 hours

The number of rational numbers between  and  is:

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Your Answer:

A) 0 A) 0
B) 1 B) 1
C) 3 C) 3
D) uncountable D) uncountable

_________ used the word statistics for the first time during one of his lectures at a German university?

1 Mark(s)

Your Answer:

Fisher Fisher
unavoidable unavoidable
Feet Feet
Achenwall Achenwall

The area of a triangle with vertices (-3, 0), (3, 0) and (0, k) is 9 sq. units. The value of k will be

1 Mark(s)

Your Answer:

A) 9 A) 9
B) 3 B) 3
C) -9 C) -9
D) 6 D) 6

The number of binary operations that can be defined on a set of 2 elements is

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Your Answer:

A) 8 A) 8
B) 4 B) 4
C) 16 C) 16
D) 64 D) 64

For a binomial distribution?

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Your Answer:

n must assume a number between 1 and 20 or 25
p must be a multiple of 10 p must be a multiple of 10
There must be at least 3 possible outcomes
None of these None of these

If any of the value in data set is zero then it is not possible (i.e. impossiblE. to compute_______________?

1 Mark(s)

Your Answer:

Mode Mode
Median Median
Mean Mean
Harmonic Mean Harmonic Mean
Geometric Mean Geometric Mean

If $A=\left[\begin{array}{ccc} 0 & -1 & 2 \\ 1 & 0 & 3 \\ -2 & -3 & 0 \end{array}\right]$, then A + 2A T equals

1 Mark(s)

Your Answer:

A) A A) A
B) -A T B) -A T
C) A T C) A T
D) 2A 2 D) 2A 2

Total number of possible matrices of order 3 × 3 with each entry 2 or 0 is

1 Mark(s)

Your Answer:

A) 9 A) 9
B) 27 B) 27
C) 81 C) 81
D) 512 D) 512

The use of Boolean algebra is ____________.

1 Mark(s)

Your Answer:

in building the algebraic functions. in building the algebraic functions.
in building logic symbols. in building logic symbols.
in circuit theory. in circuit theory.
in designing the digital computers. in designing the digital computers.

The profit earned by selling an article for Rs. 832 is equal to the loss incurred when the same article is sold for Rs. 448. What should be the sale price for making 50% profit?

1 Mark(s)

Your Answer:

Rs. 920 Rs. 920
Rs. 960 Rs. 960
Rs. 1060 Rs. 1060
Rs. 1200 Rs. 1200

Which of the following is equal to (8 × 5)-(3 × 5) ?

1 Mark(s)

Your Answer:

A) (8+3) × 5 A) (8+3) × 5
B) (8-3) × 5 B) (8-3) × 5
C) (8 × 3)-(5 × 3) C) (8 × 3)-(5 × 3)
D) (8 × 5)+(3 × 5) (8-3) × 5 D) (8 × 5)+(3 × 5) (8-3) × 5

Assertion (A) 6838 is a perfect square number. Reason (R) A perfect square number can never have 8 at unit place.

1 Mark(s)

Your Answer:

A) Both A and R are true and R is the correct explanation of A.
B) Both A and R are true but R is not the correct explanation of A.
C) A is true but R is false. C) A is true but R is false.
D) A is false but R is true. D) A is false but R is true.

How much time does a train 125 metres long running at 60 km/hr take to pass a pole?

1 Mark(s)

Your Answer:

6s 6s
2.08s 2.08s
7.5s 7.5s
8s 8s

The area of a parallelogram is 128sq m and its altitude is twice the corresponding base. Then the length of the base is_________?

1 Mark(s)

Your Answer:

8 m 8 m
10 m 10 m
6 m 6 m
12 m 12 m

A number which is not a rational number is called:

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Your Answer:

irrational number irrational number
rational number rational number
prime number prime number
real number real number

Which of the following is a true statement for comparing the t distribution with standard normal ?

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Your Answer:

Greater the degree of freedom, the more the t-distribution resembles the standard normal distribution
The Normal Curve is symmetrical whereas the t-distribution are slightly skewed.
The proportion of area beyond a specific value of “t” is less than the proportion of normal curve
Non of these Non of these

A person buys goods worth $₹1500$ and sells them at a profit equal to the discount he received. If he marks the goods at $₹2000$, find his profit percentage.

1 Mark(s)

Your Answer:

0.4 0.4
0.5 0.5
0.6 0.6
0.75 0.75

Where will the hand of a clock stop if it starts at 5 and makes $\frac{1}{4}$ of a revolution clockwise?

1 Mark(s)

Your Answer:

A) 7 A) 7
B) 8 B) 8
C) 9 C) 9
D) 10 D) 10

Which number is divisible by 8?

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Your Answer:

A) 1244 A) 1244
B) 1300 B) 1300
C) 1456 C) 1456
D) 1700 D) 1700

Which natural boundary marks India’s western limit?

1 Mark(s)

Your Answer:

A) Bay of Bengal A) Bay of Bengal
B) Himalayas B) Himalayas
C) Indian ocean C) Indian ocean
D) Thar Desert D) Thar Desert

Express $\frac{5}{2}$ as a mixed fraction.

1 Mark(s)

Your Answer:

A) 1$\frac{1}{2}$ A) 1$\frac{1}{2}$
B) 2$\frac{1}{2}$ B) 2$\frac{1}{2}$
C) 3$\frac{1}{2}$ C) 3$\frac{1}{2}$
D) 4$\frac{1}{2}$ (\frac{1}{2}\) D) 4$\frac{1}{2}$ (\frac{1}{2}\)

Sum of $\frac{4}{17}$ and $\frac{15}{17}$ is

1 Mark(s)

Your Answer:

A) 2$\frac{1}{17}$ A) 2$\frac{1}{17}$
B) 1$\frac{2}{17}$ B) 1$\frac{2}{17}$
C) 3$\frac{1}{17}$ C) 3$\frac{1}{17}$
D) 3$\frac{2}{17}$ (\frac{2}{17}\) D) 3$\frac{2}{17}$ (\frac{2}{17}\)

What is \$70\%$ of \$80$?

1 Mark(s)

Your Answer:

52 52
56 56
60 60
64 64

Statistics has handicap dealing with_____________?

1 Mark(s)

Your Answer:

Constant Constant
Variable Variable
Quantitative data Quantitative data
Qualitative data Qualitative data

For x, y and z, if x > y and y > z and z > x, the property is said to be:

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Your Answer:

distributive property of inequality distributive property of inequality
multiplicative property of inequality multiplicative property of inequality
additive property of inequality additive property of inequality
transitive property of inequality transitive property of inequality

The measure of Dispersion can never be________________?

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Your Answer:

Positive Positive
Negative Negative
0 0
1 1

In the following figure, the value of x+y is :

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Your Answer:

A) 90° A) 90°
B) 180° B) 180°
C) 100° C) 100°
D) 60° D) 60°

Data which is not arranged in ascending or descending order is called ___________?

1 Mark(s)

Your Answer:

Raw Raw
Cumulative frequency Cumulative frequency
Group Group
Arrangement Arrangement

Evaluating Your Answers

Statistics Mock Test 17 : Question 1 of 49