JEE Main – Paper I – Maths – Statistics and Probability – Test 1
No of questions – 10
Marks : 40(10×4)
Time : 15 mins
JEE Main – Paper I – Maths – Statistics and Probability – Test 1
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Question 1 of 10
1. Question
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Question 2 of 10
2. Question
A biased coin with probability p,0<p<1,of heaqds is tossed until a head appears for the first time .If the probability that the number of tosses requried is even , is 2/5 ,then p is equal to
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Question 3 of 10
3. Question
The probability of india winning a test match against the west indies is 1/2 assuming independence from matchtomatch .The propability that in a match series india’s second win occurs at the third test ,is
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Question 4 of 10
4. Question
If A and B are two mutually exclusive events , then
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Question 5 of 10
5. Question
A and B play a game , where each is asked to select a number from 1 to 25. If the two numbers match , both of them win a prize .The probability that they will not win a prize in a single trial, is
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Question 6 of 10
6. Question
In a class of 100 students , there are 70 boys whose average marks in a subject are 75. If the average marks of the complete class is 72, then what is the average of he girls ?
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Question 7 of 10
7. Question
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Question 8 of 10
8. Question
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Question 9 of 10
9. Question
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Question 10 of 10
10. Question
Five horses are in a race .Mr A selects two of the horses at random and bets on them . The probability that Mr a selected the winning horse , is
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