Two dice are tossed. The probability that the total score is a prime number is
Probability

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Other
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University
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Medium
Sahil Suryawanshi
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
(1/6)
(5/12)
(1/2)
(7/9)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the probability that A Will live 15 years is (7/8) and that B Will live 15 years is (9/10), then what is the probability that both will live after 15 years?
(1/20)
(63/80)
(1/5)
None of these
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In his wardrobe, Timothy has 3 trousers. One of them is black, the second blue, and the third brown. In his Wardrobe, he also has 4 shirts. One of them is black and the other 3 are White. He opens his Wardrobe in the dark and picks out one shirt-trouser pair, without examining the color. What is the likelihood that neither the shirt nor the trouser is black?
(1/12)
(1/6)
(1/4)
(1/2)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A class consists of 100 students, 25 of them are girls and 75 boys; 20 of them are rich and remaining poor, 40 of them are fair complexioned. The probability of selecting a fair complexioned rich girl is
0.05
0.04
0.02
0.08
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A fair dice is tossed six times. Find the probability of getting a third six on the sixth throw.
5C2*52/66
SP2*53/66
5C2*53/66
5P2*52/66
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A bag contains 5 red ball and 8 blue balls. It also contains 4 green and 7 black balls. If a ball is drawn at random, then find the probability that it is not green.
(5/6)
(1/4)
(1/4)
(7/4)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An article manufactured by a company consists of two parts A and B. In the process of manufacture of part A, 9 or of 100 are likely to be defective. Similarly 5 out of 100 are likely to be
defective in the manufacture of part B. The probability that the assembled part will not be
defective, is
0.8645
0.9645
0.6243
None of these
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