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Mathematics MCQ

Probability · ICSE STD 10 (ICSE - English Medium). 25 questions.

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25 questions · timed · auto-graded

MCQ 11 Mark
A box contains cards numbered 6 to 50 . A card is drawn at random from the box. The probability that the drawn card has a number which is a perfect square is :
  • A
    $\frac{1}{45}$
  • B
    $\frac{2}{15}$
  • C
    $\frac{1}{9}$
  • D
    $\frac{4}{45}$
Answer
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MCQ 21 Mark
Many birds were sitting on a tree. Every seventh bird was a sparrow. A bird flew away. What is the probability that the bird was not a sparrow?
  • A
    $\frac{5}{7}$
  • B
    $\frac{3}{7}$
  • C
    $\frac{6}{7}$
  • D
    $\frac{1}{7}$
Answer
Self
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MCQ 31 Mark
The probability of getting an even number, when a die is thrown once, is :
  • A
    $\frac{1}{2}$
  • B
    $\frac{1}{3}$
  • C
    $\frac{1}{6}$
  • D
    $\frac{5}{6}$
Answer
Self
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MCQ 41 Mark
In a single throw of two dice, the probability of getting 6 as a product is :
  • A
    $\frac{4}{9}$
  • B
    $\frac{2}{9}$
  • C
    $\frac{1}{9}$
  • D
    $\frac{5}{9}$
Answer
Self
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MCQ 51 Mark
Someone is asked to take a number from 1 to 100 . The probability that it is prime is:
  • A
    $\frac{1}{5}$
  • B
    $\frac{6}{25}$
  • C
    $\frac{1}{4}$
  • D
    $\frac{13}{50}$
Answer
Self
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MCQ 61 Mark
One ticket is drawn at random from a bag containing tickets numbered 1 to 40 . The probability that the selected ticket has a number which is a multiple of 5 is:
  • A
    $\frac{1}{5}$
  • B
    $\frac{3}{5}$
  • C
    $\frac{4}{5}$
  • D
    $\frac{1}{3}$
Answer
Self
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MCQ 71 Mark
A girl calculates that the probability of her winning the first prize in a lottery is 0.08 . If 6000 tickets are sold, how many tickets has she bought?
  • A
    40
  • B
    240
  • C
    480
  • D
    750
Answer
Self
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MCQ 81 Mark
The probability of getting a bad egg in a lot of 400 is 0.035 . The number of bad eggs in the lot is :
  • A
    7
  • B
    14
  • C
    21
  • D
    28
Answer
Self
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MCQ 91 Mark
A card is drawn from a deck of 52 cards. The event $E$ is that the card is not an ace of hearts. The number of outcomes favourable to E is:
  • A
    4
  • B
    14
  • C
    21
  • D
    51
Answer
Self
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MCQ 101 Mark
Two dice are thrown together. The probability of getting the same number on both the dice is
  • A
    $\frac{1}{2}$
  • B
    $\frac{1}{3}$
  • C
    $\frac{1}{6}$
  • D
    $\frac{1}{12}$
Answer
Self
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MCQ 111 Mark
In a flower bed, every third plant is a rose plant. If a child picks a flower, then the probability of the flower being other than rose is:
  • A
    $\frac{1}{5}$
  • B
    $\frac{1}{3}$
  • C
    $\frac{2}{3}$
  • D
    $\frac{2}{5}$
Answer
Self
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MCQ 121 Mark
If the probability of success is $38 \%$, then the probability of failure is
  • A
    $38 \%$
  • B
    $62 \%$
  • C
    $52 \%$
  • D
    $68 \%$
Answer
Self
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MCQ 131 Mark
It is given that in a group of three students, the probability of two students not having the same birthday is 0.991 . Then, the probability of the two students having the same birthday is :
  • A
    0.009
  • B
    0.001
  • C
    0.990
  • D
    0.007
Answer
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MCQ 141 Mark
A game of chance consists of spinning an arrow which comes to rest pointing at one of the numbers $1,2,3,4,5,6,7$, 8 and these are equally likely outcomes. Then, the probability that it will point at a prime number is
  • A
    $\frac{1}{8}$
  • B
    $\frac{5}{8}$
  • C
    $\frac{3}{8}$
  • D
    $\frac{1}{2}$
Answer
Self
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MCQ 151 Mark
From the data $(1,4,9,16,25,29)$ if 29 is removed, then the probability of getting a number which is neither a prime nor a composite is :
  • A
    $\frac{2}{5}$
  • B
    $\frac{1}{5}$
  • C
    $\frac{3}{5}$
  • D
    $\frac{4}{5}$
Answer
Self
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MCQ 161 Mark
If a letter is drawn at random from the letters in word 'ERROR', then the letters which have equal probability of being drawn are :
  • A
    E and O
  • B
    R and E
  • C
    O and R
  • D
    E, R and O
Answer
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MCQ 171 Mark
When a die is thrown, the probability of getting an odd number less than 3 is:
  • A
    $\frac{1}{6}$
  • B
    $\frac{1}{3}$
  • C
    $\frac{1}{2}$
  • D
    0
Answer
Self
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MCQ 181 Mark
The probability that a non leap year selected at random will contain 53 Sundays is:
  • A
    $\frac{1}{7}$
  • B
    $\frac{2}{7}$
  • C
    $\frac{3}{7}$
  • D
    $\frac{5}{7}$
Answer
Self
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MCQ 191 Mark
A card is selected from a deck of 52 cards. The probability of its being a red face card is:
  • A
    $\frac{3}{26}$
  • B
    $\frac{3}{13}$
  • C
    $\frac{2}{13}$
  • D
    $\frac{1}{2}$
Answer
Self
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MCQ 201 Mark
If $\mathrm{P}(\mathrm{A})$ denotes the probability of an event A , then :
  • A
    $\mathrm{P}(\mathrm{A})<0$
  • B
    $\mathrm{P}(\mathrm{A})>1$
  • C
    $0 \leq \mathrm{P}(\mathrm{A}) \leq 1$
  • D
    $-1 \leq \mathrm{P}(\mathrm{A}) \leq 1$
Answer
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MCQ 211 Mark
Which of the following can be the probability of an event?
  • A
    -0.04
  • B
    1.04
  • C
    $\frac{18}{23}$
  • D
    $\frac{8}{7}$
Answer
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MCQ 221 Mark
If the probability of an event is $p$, the probability of its complementary event will be :
  • A
    $p-1$
  • B
    $p$
  • C
    $1-p$
  • D
    $1-\frac{1}{p}$
Answer
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MCQ 241 Mark
Which of the following cannot be the probability of an event?
  • A
    $\frac{1}{3}$
  • B
    0.1
  • C
    $3 \%$
  • D
    $\frac{17}{16}$
Answer
Self
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