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Frage 1
Frage
1) 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?
Antworten
-
1/2
-
3/5
-
9/20
-
8/15
-
None of these
Frage 2
Frage
2) If a box contains 10 bulbs,of which just three are defective. If a random sample of five bulbs is drawn, find the probability that the sample contains no defective bulbs.
Antworten
-
5/12
-
7/12
-
3/14
-
1/12
-
None of these
Frage 3
Frage
3) Two dices are tossed. The probability that the total score is a prime number is:
Antworten
-
5/12
-
1/6
-
1/2
-
7/9
-
None of these
Frage 4
Frage
4) A brother and a sister appear for an interview against two vacant posts in an office. The probability of the brother???s selection is 1/5 and that of the sister???s selection is 1/3. What is the probability that only one of them is selected?
Antworten
-
1/5
-
3/4
-
2/5
-
3/5
-
None of these
Frage 5
Frage
5) A card is drawn from a pack of 52 cards. The card is drawn at random. What is the probability that it is neither a spade nor a Jack?
Antworten
-
9/13
-
4/13
-
10/13
-
8/13
-
None of these
Frage 6
Frage
6) 67.39 -11.78 + 19.63 =? + 22.41
Antworten
-
52.73
-
52.83
-
65.78
-
64.78
-
None of these
Frage 7
Frage
7) 22% of 250 + 35% of 460 = ?
Antworten
-
216
-
226
-
232
-
242
-
None of these
Frage 8
Frage
8) 0.6 x 1.8??0.5 x 12 = ?
Antworten
-
24.92
-
25.92
-
18.46
-
17.46
-
None of these
Frage 9
Frage
9) 55 x (25)3 ?? 625 = (5)?
Antworten
-
6
-
9
-
8
-
5
-
None of these
Frage 10
Frage
10) ? % of 400 - (7)2 = 159
Antworten
-
55
-
53
-
51
-
52
-
None of these
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