Mashaal Masha
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Choose the correct options for the following questions.
If two dice are thrown, what is the probability that the sum of dots will add up to an odd number?
Difficulty: Easy
A:
0.25
B:
0.5
C:
0.75
D:
1
How many 6-digit numbers can be formed without repeating digit from the digits $0, 1, 2, 3, 4$ and $5$?
Difficulty: Easy
A:
$96$
B:
$120$
C:
$600$
D:
$720$
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Tickets numbered 1 to 20 are mixed up and then a ticket is drawn at random. What is the probability that the ticket drawn has a number which is a multiple of 3 or 5?
Difficulty: Easy
A:
$\frac{1}{2}$
B:
$\frac{2}{5}$
C:
$\frac{8}{15}$
D:
$\frac{9}{20}$
Probability of any event cannot have the value of
Difficulty: Easy
A:
$\frac{1}{2}$
B:
$\frac{1}{6}$
C:
$\frac{1}{8}$
D:
$\frac{3}{2}$
$\frac{(n-1)!}{(n+1)!}=?$
Difficulty: Easy
Verified By ClassNotes
A:

$n+1$

B:

$\frac{n}{2}$

C:

$n-1$

D:

None of these

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What is the probability of picking a queen or a face card from a set of 52 card?
Difficulty: Easy
A:
$\frac{1}{4}$
B:
$\frac{3}{13}$
C:
$\frac{4}{13}$
D:
$\frac{14}{3}$
In how many ways can the letters of the word COCACOLA be arranged when all letters are to be used?
Difficulty: Easy
A:
280
B:
1120
C:
6720
D:
40320
Probability of picking a diamond card in a deck of 52 cards is
Difficulty: Easy
A:
$\frac{1}{4}$
B:
$\frac{1}{13}$
C:
$\frac{13}{26}$
D:
$\frac{12}{53}$
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Total amount of 5 digit numbers formed from $1,2,3,4,5$ such that $1$ and $5$ never come next to each other are
Difficulty: Easy
A:
24
B:
48
C:
72
D:
120
If a die is rolled twice, what is the probability that the numbers shown on the top add up to make 8?
Difficulty: Easy
A:
$\frac{2}{4}$
B:
$\frac{2}{36}$
C:
$\frac{4}{36}$
D:
$\frac{5}{36}$

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