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Frequently Asked TCS Numerical Ability - Probability Interview Questions with Answers

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(#M40033469) TCS QUESTION Keep an EYE Keep an eye puzzle Keep an eye puzzle

60. 48, 38, 28, 24, 20, 18 what is the wrong number in the sequence?

Asked In TCS Sruthi karuturi (11 years ago)
Unsolved Read Solution (8)
Is this Puzzle helpful?   (44)   (12) Submit Your Solution Probability

(#M40000401) TCS QUESTION Keep an EYE Keep an eye puzzle Keep an eye puzzle

A lady has fine gloves and hats in her closet- 18 blue 32 red and 25 yellow. The lights are out and it is totally dark, inspite of darkness. She can make out the difference between a hat and a glove. She takes out an item out of the closet only if she is sure that if it is a glove. How many gloves must she take out to make sure she has a pair of each colour?

Asked In TCS V.V.Ravi Teja (14 years ago)
Solved Dimple Read Solution (11)
Is this Puzzle helpful?   (72)   (32) Submit Your Solution Probability
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(#M40154364) TCS QUESTION Probability Keep an EYE Keep an eye puzzle Keep an eye puzzle

10. A six faced die is so biased that it is twice as likely to show an even number as an odd. It is thrown twice. What is the probability that the sum of the numbers is even?
a) 1/3 b) 2/3 c) 5/9
d) 6/11

Asked In TCS Soumen Maity (9 years ago)
Solved RADHIKA G Read Solution (7)
Is this Puzzle helpful?   (26)   (11) Submit Your Solution Probability

(#M40024304) TCS QUESTION Keep an EYE Keep an eye puzzle Keep an eye puzzle

There are 6 red balls,8 blue balls and 7 green balls in a bag. If 5 are drawn with replacement. What is the probability atleast three are red!

Asked In TCS Karthika (11 years ago)
Unsolved Read Solution (14)
Is this Puzzle helpful?   (36)   (7) Submit Your Solution Probability

(#M40030548) TCS QUESTION Probability Keep an EYE Keep an eye puzzle Keep an eye puzzle

Three cars A, B and C are participating in a race.A is twice as likely as B to win and B is thrice as likely as C to win. What is the probability that B will win, if only one of them can win the race?

Asked In TCS Harsha (11 years ago)
Solved Anchuri Sandeep Reddy Read Solution (8)
Is this Puzzle helpful?   (25)   (6) Submit Your Solution Probability

(#M40000932) TCS QUESTION find Keep an EYE Keep an eye puzzle Keep an eye puzzle

10 men and 10 women are there, they dance with each other, is there possibility that 2 men are dancing with same women and vice versa?
a) 22 b) 20 c) 10 d) none

Asked In TCS Kapil Agrawal (14 years ago)
Solved ROHIT VERMA Read Solution (15)
Is this Puzzle helpful?   (44)   (14) Submit Your Solution Probability

(#M40025417) TCS QUESTION Keep an EYE Keep an eye puzzle Keep an eye puzzle

There are 7 children, you are told that youngest child is boy the probability that all of them are boys is one in?

a. 64
b. 21
c. 2
d. 128

Asked In TCS mega (11 years ago)
Unsolved Read Solution (6)
Is this Puzzle helpful?   (72)   (18) Submit Your Solution Probability

(#M40033561) TCS QUESTION tcs apptitude question Keep an EYE Keep an eye puzzle Keep an eye puzzle

2/3rd of the balls in a bag are blue, the rest are pink. if 5/9th of the blue balls and 7/8th of the

pink balls are defective, find the total number of balls in the bag given that the number of non

defective balls is 146.

a) 216 b) 649 c) 432 d) 578

Asked In TCS (11 years ago)
Unsolved Read Solution (11)
Is this Puzzle helpful?   (153)   (70) Submit Your Solution Probability

(#M40033867) TCS QUESTION reasoning Keep an EYE Keep an eye puzzle Keep an eye puzzle

University of Vikram has enrolled nine Phd candidates.Babu Chitra,Dheeraj , Eesha,Farooq,Gowri , Hameed,Iqbal,Jacob.
-Farooq and Iqbal were enrolled on the same day as each other, and no one else was enrolled that day.
-Chitra and gowri were enrolled on the same day as each other, and no one else was enrolled that day.
-On each of the other days of hiring , exactly one candidate was enrolled.
-Eesha was enrolled before Babu.
-Hameed was enrolled before Dheeraj
-Dheeraj was enrolled after Iqbal but before Eesha
- Gowri was enrolled after both Jacob and Babu
-Babu was enrolled before Jacob
Who were the last two candidates to be enrolled?

Asked In TCS RAvi (11 years ago)
Unsolved Read Solution (14)
Is this Puzzle helpful?   (23)   (12) Submit Your Solution Probability

(#M40019649) TCS QUESTION Keep an EYE Keep an eye puzzle Keep an eye puzzle



Derek throws three dice in a special game. If it knows that he needs 15 or higher in this throw to win, then find the chance of his winning the game.

A.5/54

B.17/216
C.13/216
D.15/216

Asked In TCS (11 years ago)
Unsolved Read Solution (13)
Is this Puzzle helpful?   (74)   (32) Submit Your Solution Probability
Keep an EYE (0)TCS Interview Experience (91)
Solved Question (67) UnSolved Question (237)
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Challenger of the Day

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Dimple
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Time: 00:01:33
Points
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Maths Quotes

Common sense is the collection of prejudices acquired by age eighteen.

Albert Einstein

Medicine makes people ill, mathematics make them sad and theology makes them sinful.

Martin Luther

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