A carton contains 12 green and 8 blue bulbs .2 bulbs are drawn at random. Find the probability that they are of same colour.

(A) 91/47
(B) 47/105
(C) 47/95
(D) 95/47

When two dice are thrown, find the probability of getting a greater number on the first die than the one on the second, given that the sum should equal 9.

(A) 1/2
(B) 1/5
(C) 4/2
(D) 2/5

In how many different ways can the letters of the word ‘RAPINE’ be arranged in such a way that the vowels occupy only the odd positions?

(A) 32
(B) 36
(C) 48
(D) 60

In how many different ways can the letters of the word ‘POTENCY’ be arranged in such a way that the vowels always come together?

(A) 1360
(B) 2480
(C) 1440
(D) 4050

In how many different ways can the letters of the word ‘ABOMINABLES’ be arranged so that the vowels always come together?

(A) 181045
(B) 23223
(C) 151200
(D) 456545

In how many different ways can any 4 letters of the word ‘ABOLISH’ be arranged?

(A) 24
(B) 120
(C) 840
(D) 5040

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