Class 12

25. Probability question bank (Maths)

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Q1.

In drawing of a card from a well shuffled ordinary deck of playing cards, the events 'card drawn is a spade' and 'card drawn is an ace' are:

(A)
mutually exclusive
(B)
equally likely
(C)
forming an exhaustive system
(D)
none of these
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Q2.

A 9 digit number using the digits 1, 2, 3, 4, 5, 6, 7, 8 & 9 is written randomly without repetition. The probability that the number will be divisible by 9 is:

(A)
\( \frac{1}{9} \)
(B)
\( \frac{1}{2} \)
(C)
1
(D)
\( \frac{9!}{9^9} \)
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