Questions

M.C.Q. [1 Marks Each]

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15 questions · auto-graded multiple-choice test.

MCQ 11 Mark
Ram puts some buttons on the table. There were 4 blue, 7 red, 3 black and 6 white buttons in all. All of a sudden, a cat jumped on the table and knocked out one button on the floor. What is the probability that the button on the floor is blue?
  • A
    $\frac{7}{20}$
  • B
    $\frac{3}{5}$
  • $\frac{1}{5}$
  • D
    $\frac{1}{4}$
Answer
Correct option: C.
$\frac{1}{5}$
(c) $\frac{1}{5}$
Hint Total number of buttons
= 4 blue + 7 red + 3 black + 6 white
= 20
Number of blue buttons = 4
Probability of blue button on the floor
$\begin{array}{l}=\frac{\text { Number of blue buttons }}{\text { Total number of buttons }} \\ =\frac{4}{20}=\frac{1}{5}\end{array}$
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MCQ 21 Mark
Which of the following Is not a random experiment?
  • A
    Tossing a coin
  • B
    Rolling a die
  • C
    Choosing a card from a deck of 52 cards
  • Throwing a stone from a roof of a building
Answer
Correct option: D.
Throwing a stone from a roof of a building
D
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MCQ 31 Mark
A pie chart (as shown below) represents 45 people's choice, then the number of people who like bananas, is
Image
  • A
    10
  • 15
  • C
    20
  • D
    25
Answer
Correct option: B.
15
(b) 15
Hint Given total number of people = 45
$\therefore$ Number of people who like bananas $=\frac{120}{360}\times45$
$\frac{1}{3}\times45=15$
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MCQ 41 Mark
Rahul, Varun and Yash are playing a game of spinning a coloured wheel. Rahul wins, if spinner lands on red. Varun wins, if spinner lands on blue and Yash wins, if it lands on green. Which of the following spinner should be used to make the game fair?
  • A

    Image
  • B

    Image
  • C

    Image

  • Image
Answer
Correct option: D.

Image
D
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MCQ 51 Mark
Monthly salary of a person is ₹ 45000. The central angle of the sector representing his expenses on food and house rent on a ple chart is $60^{\circ}$. The amount he spends on food and house rent is
  • ₹ 7500
  • B
    ₹ 4500
  • C
    ₹ 2500
  • D
    ₹ 6000
Answer
Correct option: A.
₹ 7500
(a) ₹ $7500$
Hint Given that monthly salary of a person
= ₹ 45000
On pie chart, the sector's central angle represents his expenses on food and house rent $=60^{\circ}$
$\therefore$ Amount spends on food and house rent
$=\frac{60}{360} \times 45000=$ ₹ $7500$
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MCQ 61 Mark
A pie chart (as shown below) represents the types of fruits in a shop, the fraction of the circle representing for mango, is
Image
  • A
    $\frac{1}{2}$
  • B
    $\frac{1}{12}$
  • $\frac{1}{3}$
  • D
    $\frac{2}{3}$
Answer
Correct option: C.
$\frac{1}{3}$
C
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MCQ 71 Mark
A circle graph is given below, the fraction of the circle representing the people who like tea, Is
Image
  • A
    $\frac{1}{5}$
  • B
    $\frac{1}{20}$
  • $\frac{1}{10}$
  • D
    $\frac{1}{7}$
Answer
Correct option: C.
$\frac{1}{10}$
C
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MCQ 81 Mark
Sarita draws a ball from a bag that contains 5 red and 6 yellow balls, the probability of choosing a yellow ball, is
  • A
    $\frac{1}{2}$
  • B
    $\frac{1}{6}$
  • C
    $\frac{5}{6}$
  • $\frac{6}{11}$
Answer
Correct option: D.
$\frac{6}{11}$
D
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MCQ 91 Mark
A coin tossed twice, the probability that both times tail will be comes up, is
  • A
    $\frac{1}{2}$
  • B
    $\frac{1}{3}$
  • $\frac{1}{4}$
  • D
    $1$
Answer
Correct option: C.
$\frac{1}{4}$
C
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MCQ 101 Mark
In a throw of die, the probability of getting the number less than 4, is
  • A
    $\frac{1}{3}$
  • $\frac{1}{2}$
  • C
    $\frac{2}{3}$
  • D
    $0$
Answer
Correct option: B.
$\frac{1}{2}$
B
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MCQ 111 Mark
A coln is tossed 12 times and the outcomes are observed as shown below:
Image
The chance of occurrence of head is
  • A
    $\frac{1}{2}$
  • $\frac{5}{12}$
  • C
    $\frac{7}{12}$
  • D
    $\frac{5}{7}$
Answer
Correct option: B.
$\frac{5}{12}$
(b) $\frac{5}{12}$
Hint Given that coin tossed = 12 times
Head occurred on tossing coin = 5 times
$\therefore$ The chance of occurrence of head
$=\frac{\text { Number of times head appeared }}{\text { Number of times coin tossed }}=\frac{5}{12}$
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MCQ 121 Mark
In a throw of die, the probability of getting the number 8, is
  • A
    $\frac{1}{2}$
  • B
    $\frac{1}{6}$
  • C
    $1$
  • $0$
Answer
Correct option: D.
$0$
D
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MCQ 131 Mark
A graph showing two sets of data simultaneously is called a
  • double bar graph
  • B
    pie chart
  • C
    histogram
  • D
    pictograph
Answer
Correct option: A.
double bar graph
A
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MCQ 141 Mark
A coin is tossed 300 times and head appeared 180 times. The probability of getting a head in this experiment is
  • A
    $\frac{2}{5}$
  • B
    $\frac{1}{5}$
  • $\frac{3}{5}$
  • D
    $\frac{4}{5}$
Answer
Correct option: C.
$\frac{3}{5}$
C
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MCQ 151 Mark
A geometric representation showing the relatlonship between a whole and its parts is a
  • pie chart
  • B
    bar graph
  • C
    histogram
  • D
    pictograph
Answer
Correct option: A.
pie chart
A
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