EASY
8th ICSE
IMPORTANT
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Probability compares the number of favourable outcomes to the number of outcomes. (Certain, impossible, possible, likely, unlikely)

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Important Questions on Probability

EASY
8th ICSE
IMPORTANT
It is _____ to roll a 9 on a cube that has numbers from 1 to 6. (Certain, impossible, possible, likely, unlikely)
EASY
8th ICSE
IMPORTANT
Taking out a red marble from a bag of 2 red marbles, 4 green marbles and 7 blue marbles is _____. (Certain, impossible, possible, likely, unlikely)
EASY
8th ICSE
IMPORTANT
Tossing an even number on a cube labelled 2, 4, 6, 8 and 10 is _____. (Certain, impossible, possible, likely, unlikely)
EASY
8th ICSE
IMPORTANT
If the probability is high, you are more _____ to have a favourable outcome. (Certain, impossible, possible, likely, unlikely)
EASY
8th ICSE
IMPORTANT

Observe the given figure. There are equal sized cards' with numbers marked from 1 to 6 in a pot. A card is pulled out from the pot at random. Match the event with its probability.

Question Image

Event Probability
a. Pulling a 3 p. 211
b. Pulling a 4 or 5 q. 111
c. Pulling a 1 r. 911
d. Pulling a number that is not 6 s. 511
e. Pulling a 1 or 3 t. 411

 

EASY
8th ICSE
IMPORTANT
A bag contains 4 red marbles, 7 blue marbles and 4 green marbles. The probability of selecting a red marble is
EASY
8th ICSE
IMPORTANT
Out of 17 boys and 13 girls of a class, one student is to be selected. The probability of selecting a girl is
EASY
8th ICSE
IMPORTANT
Six cards with numbers 10, 9, 8, 7, 6 and 5 are randomly placed face-down on a table. Ankita removed two cards - 8 and 10. The probability that the next one turned up is 9 is