In a box,there are 8 red,7 blue and 6 green balls .One ball is picked up randomly.What is the probability that it neither red nor green .

(A)

^{3}/_{4}

(B)

^{7/}_{19}

(C)

^{1}/_{3}

(D)

^{8}/_{21}

Question-2

Three houses are available in a locality .Three persons apply for the houses .Each applies for one house with out consulting the others.The probability that all three apply for the same house is

(A)

^{2}/_{9}

(B)

^{3}/_{9}

(C)

^{5}/_{9}

(D)

^{1}/_{9}

Question-3

The probability of getting at least one tail in 4 throws of a coin is

(A)

^{15}/_{26}

(B)

^{15}/_{16}

(C)

^{1}/_{4}

(D)

^{1}/_{8}

Question-4

Nine playing cards are numbered 2 to 10 .A card is selected from them at random. probability that the card will be a multiple of 4 is

(A)

^{1}/9

(B)

^{2}/9

(C)

^{2}/10

(D)

^{1}/10

Question-5

The probability that a leap year will contain 53 Sundays is

(A)

^{5}/_{7}

(B)

^{4}/_{7}

(C)

^{2}/_{7}

(D)

^{1}/_{7}

Question-6

A bag contains 6 black and 8 white balls .One ball is drawn at random .What is the probability that the ball drawn is white ?

(A)

^{3}/_{4}

(B)

^{4}/_{7}

(C)

^{1}/_{8}

(D)

^{3}/_{7}

Question-7

If two coins are tossed once. What is the probability of getting at least one head?

(A)

^{1}/4

(B)

^{2}/4

(C)

^{3}/4

(D)

1

Question-8

Ticket 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 ?

(A)

^{1}/_{2}

(B)

^{2}/_{5}

(C)

^{8}/_{15}

(D)

^{9}/_{20}

Question-9

Total probability of an event =

(A)

0

(B)

0.5

(C)

0.75

(D)

1

Question-10

Two dice are thrown simultaneously ,then the probability of getting an even number as the sum is

(A)

^{1}/_{2}

(B)

^{1}/_{3}

(C)

^{1}/_{4}

(D)

^{1}/_{7}

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