Practice Pakistan questions with answers and explanations.
Choose an option to check your answer.
The even outcomes are 2, 4, and 6 out of six equally likely outcomes.
Thus the probability is 3/6 = 1/2.
Choose an option to check your answer.
The favorable outcomes are 5 and 6.
Therefore the probability is 2/6 = 1/3.
Choose an option to check your answer.
Six ordered pairs sum to 7 out of 36 equally likely pairs.
The probability is 6/36 = 1/6.
Choose an option to check your answer.
There are four aces among 52 cards.
The probability is 4/52 = 1/13.
Choose an option to check your answer.
There are 13 hearts in a 52-card deck.
The probability is 13/52 = 1/4.
Choose an option to check your answer.
There are five balls in total and three are red.
The probability is 3/5.
Choose an option to check your answer.
Not green means drawing one of the six yellow balls.
The probability is 6/10 = 3/5.
Choose an option to check your answer.
An event and its complement sum to one.
P(Aᶜ) = 1 - 0.35 = 0.65.
Choose an option to check your answer.
Mutually exclusive events have no overlap.
P(A ∪ B) = 0.30 + 0.25 = 0.55.
Choose an option to check your answer.
Apply inclusion-exclusion for the union.
0.6 + 0.5 - 0.3 = 0.8.
Choose an option to check your answer.
Combinations count groups rather than sequences.
The same selected members in another order are not new.
Choose an option to check your answer.
Odds compare favorable and unfavorable possibilities.
If probability is p, odds in favor are p to 1-p.
