Math 9th Chap 11 : Test Yourself - Maryam Publications

Math Chapter 11 : Test Yourself

1 / 20

Which of the following is a class mark of the interval $(10 - 15)$?

A) $16$

B) $12.5$

C) $15$

D) $10$

2 / 20

What is size of class interval $(4 - 7)$?

A) $6$

B) $4$

C) $5$

D) $7$

3 / 20

Which of the following is chart of adjacent rectangles?

A) Frequency polygon

B) bar graph

C) ogive

D) histogram

4 / 20

Which of the following is measure of central tendency?

A) standard deviation

B) variance

C) range

D) arithmetic mean

5 / 20

Which of the following is a formula of arithmetic mean for grouped data?

A) $\frac{\sum x}{n}$

B) $\frac{\sum fx}{\sum f}$

C) $l +$ $\frac{h}{f}\left( \frac{n}{2} - c \right)$

D) $l +$ $\frac{(f_{m}\ - \ f_{1})\ \times \ h}{2f_{m}\ - \ f_{1}\ - \ f_{2}}$

6 / 20

If arithmetic mean of 25 values is 10, then what is sum of values?

A) $125$

B) $25$

C) $2.5$

D) $250$

7 / 20

What is median of the data 4, 3, 0, 2, 1?

A) $2$

B) $3$

C) $0$

D) $4$

8 / 20

Which measure of central tendency can have more than one value?

A) arithmetic mean

B) mode

C) weighted mean

D) median

9 / 20

The probability of getting M in 'MUHAMMAD' is:

A) $\frac{3}{5}$

B) $\frac{1}{8}$

C) none of these

D) $\frac{3}{8}$

10 / 20

Probability of picking an ace from a well shuffled pack of 52 playing cards is:

A) $\frac{1}{52}$

B) $\frac{1}{13}$

C) none of these

D) $\frac{4}{13}$

11 / 20

A normal fair die is rolled 6000 times. The expected number of 5 is:

A) none of these

B) $5000$

C) $100$

D) $1000$

12 / 20

A fair coin is tossed 500 times. Expected number of tails is:

A) $250$

B) $1000$

C) none of these

D) $100$

13 / 20

In a group of 5 people, 4 like peach juice. The expected no. of people in a population of 1200 who like peach juice is:

A) $240$

B) $600$

C) none of these

D) $960$

14 / 20

How many times Haani should toss a fair coin if he expects to get 100 tails?

A) $100$

B) $1000$

C) $200$

D) none of these

15 / 20

An event which can never happen is called:

A) sure event

B) impossible event

C) certain event

D) possible event

16 / 20

Two such events whose probabilities are 1/2 each are called:

A) unlikely

B) equally likely

C) none of these

D) likely

17 / 20

The probability of a certain event is:

A) $1$

B) $\frac{1}{2}$

C) $0$

D) $\frac{3}{4}$

18 / 20

The probability of an event can take the value:

A) all of these

B) $\frac{1}{2}$

C) $1$

D) $0$

19 / 20

The probability of an event cannot take the value:

A) $1$

B) $0$

C) all of these

D) $2$

20 / 20

The probability of an impossible event is:

A) all of these

B) $1/2$

C) $0$

D) $1$

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