Question 1

Time: 00:00:00
(100)power 8-(111112)power 2 divided by 3 power n. find the maximum value of n?

3

3

2

2

1

1

4

4

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Question 2

Time: 00:00:00
In a particular state, the god of rain announces that there will be raining on exactly 20 days in each calender year. if the probability of raining on a particular day of the year 2011, 2012 and 2013 are P, Q, and R respectively then which of the following relation holds true:

2Q>=P+R

2Q>=P+R

Q^2 >=P*R

Q^2 >=P*R

2/Q >= 1/P + 1/Q

2/Q >= 1/P + 1/Q

all of these

all of these

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Question 3

Time: 00:00:00
There are 10 pairs of socks in a cupboard from which 4 individual socks are picked at random. The probability that there is at least one pair is:

195/323

195/323

99/323

99/323

198/323

198/323

185/323

185/323

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Question 4

Time: 00:00:00
Two squares are chosen on a chessboard at random. What is the probability that they have a side in common?

1/18

1/18

64/4032

64/4032

63/64

63/64

1/9

1/9

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PrepInsta User

total ways of selecting 2 squares are 2016 chessboard having 8*8 squares in each row there are 7 possibilities of having 2 squares with one side common. so total possibilities 7*8+7*8 vertically and horizontally required probability is 112/2016=1/18.

Question 5

Time: 00:00:00
A man can hit the target once in four shots. If he fires four shots in succession, what is the probability that he will hit the target?

1

1

1/256

1/256

81/256

81/256

175/256

175/256

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Question 6

Time: 00:00:00
Here are 15 dots. If you select 3 dots randomly, what is the probability that 3 dots make a triangle?

. . . . .

. . . . .

. . . . .

412/455

412/455

434/455

434/455

449/455

449/455

438/455

438/455

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Question 7

Time: 00:00:00
Two pyramids are thrown with faces 1,2,4,6. Find the probability to get a sum of the even number on their faces?

3/4

3/4

5/8

5/8

7/8

7/8

5/4

5/4

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Question 8

Time: 00:00:00
The probability of Cristiano Ronaldo scoring a penalty is twice than the probability of missing it. In a World Cup he takes 5 penalties, What is the probability of scoring 3 penalties among the 5?

5*2*((2/3)^3 * (1/3)^3)

5*2*((2/3)^3 * (1/3)^3)

1-((2/3)^3 * (1/3)^3)

1-((2/3)^3 * (1/3)^3)

1-((2/3)^2)* (1/3)^3)

1-((2/3)^2)* (1/3)^3)

None of these

None of these

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Question 9

Time: 00:00:00
P is an even number (I think greater than 2 it was given). e is the probability of a number of even numbers divisible by p, o is the probability of the number of an odd number divisible by p and w is the probability of the number of whole numbers divisible by p. Then which equation satisfies.

w=2 e

w=2 e

w=e/2

w=e/2

w=o/2

w=o/2

None of these

None of these

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Question 10

Time: 00:00:00
if |x -4 | + |y - 4| =4 then how many integers value the sets (x,y) have?

infinite

infinite

5

5

16

16

25

25

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["0","40","60","80","100"]
["Need more practice! \r\n","Keep trying! \r\n","Not bad! \r\n","Good work! \r\n","Perfect! \r\n"]

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