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1
A basket contains 12 oranges, 7 apples, 5 mangoes and 4 bananas. Rajesh picks up a fruit without looking at it. What is the number of favourable cases that it is a banana?
12
7
5
4
2
Fifty seeds were selected at random from each of 5 bags of seeds, and were kept under standardised conditions favourable to germination. After 20 days, the number of seeds, which had germinated was counted and recorded as follows :
What is the probability of germination of at least 35 seeds in a bag.
3
If acoin is tossed, what is the total number of possible outcomes?
0
In a basket there are 2 mangoes and 3 oranges. The probability that Param will pick up a mango is
2/3
2/5
3/5
5/2
The probability of an impossible event is
Less than 0
Greater than 1
6
If a coin tossed, what is the probability of getting a head?
1/2
1/4
A dart is thrown at a rectangular dartboard of length 10 cm and breadth 5 cm such that it will land randomly over the area of the dartboard. What is the probability that it lands in the rectangle CBFG where BC is 3 cm and BF is 2 cm?
None of these
8
What is the probability of germination of at most 30 seeds in a bag.
9
What is p(Not E) if p(E)=0.8?
0.8
0.2
1.8
10
11
What is the probability that Rahul 's birthday fall on a Tuesday , if Priya's birthday also falls on a Tuesday ?
1/7
1/6
An unbiased wheel with numbers 1- 9 is rotated. Find probability of getting prime number.
13
14
A card is drawn from a pack of well - shuffled card, what is the probability of it being a black faced card ?
2/13
3/26
6/26
15
16
The score of a batsman in 80 ODI's is as follows:
What is the probability that in the next match the batsman will score at least 70 runs?
17
A card is drawn from a pack of well - shuffled pack , what is the probability of getting a face card or an ace ?
1/13
3/13
4/13
18
A dice is rolled 100 times with these out comes: 1 -4, 2 -15, 3 - 38, 4 - 9, 5 - 10, 6 - 24. Find the probability of getting a number less than 1.
4/6
5/6
19
The following frequency distribution table shows the weights of 38 student of a class.
Find the probability that the weight of a student in the class is:at most 60 kg.
20
Two coins and a dice are thrown simultaneously. The total outcomes of the experiment. will be
{ HH1 , HH2 , HH3 , HH4 , HH5 , HH6 , HT1 , HT2 , HT3 , HT4 , HT5 , HT6 , HH1 , TH2 , TH3 , TH4 , TH5 , TH6 , TT1 , TT2 , TT3 , TT4 , HT5 , TT6}
{ HH1 , HH2 , HH3 , HH4 , HH5 , HH6 , HT1 , HT2 , HT3 , HT4 , HT5 , HT6 , TH1 , TH2 , TH3 , TH4 , TH5 , TH6 , TT1 , TT2 , TT3 , TT4 , TT5 , TT6}
{ TH1 , HH2 , HH3 , HH4 , HH5 , HH6 , HT1 , HT2 , HT3 , HT4 , HT5 , HT6 , TH1 , TH2 , TH3 , TH4 , TH5 , TH6 , TT1 , TT2 , TT3 , HT4 , TT5 , TT6}
{ HH1 , HH2 , HH3 , HT4 , HH5 , HH6 , HT1 , HT2 , HT3 , HT4 , HT5 , HT6 , TH1 , TH2 , TH3 , TH4 , TT5 , TH6 , TT1 , TT2 , TT3 , TT4 , TT5 , TT6}