Tag: math & puzzles

Questions Related to math & puzzles

If Rohan is sitting on a chair numbered 112, Manaj is sitting on a chair numbered 78 & Neha is sitting on a chair numbered 56 then what's the chair number of Rohit?

general knowledge math & puzzles

  1. 70

  2. 120

  3. 140

  4. 60

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Correct Option: C

what's the probability of getting a odd prime number while rolling a fair dice.
general knowledge math & puzzles

  1. 1/6

  2. 1/2

  3. 1/4

  4. 1/3

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Correct Option: D

There are 30 red balls, 40 black balls & 60 white balls in a bag in a dark room. How many balls you have to take from the bag to ensure that you have atleast a ball of each colour with you.
general knowledge math & puzzles

  1. 99

  2. 60

  3. 101

  4. 30

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Correct Option: C

In a pack of cards you picked 2 cards without replacement. what's the probability of getting 2 Kings?
general knowledge math & puzzles

  1. 2/52

  2. 1/17

  3. 1/221

  4. 1/187

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Correct Option: C

what's the probability of getting atleast 3 heads out of 4 tosses by a fair coin
general knowledge math & puzzles

  1. 5/16

  2. 1/4

  3. 3/16

  4. 7/16

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Correct Option: A

How many 4 digit numbers can be formed using the digits 9,8,7,5,0 without repeting the digits?
general knowledge math & puzzles

  1. 48

  2. 60

  3. 96

  4. 36

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Correct Option: C

Larry's father has five sons named Ten, Twenty, Thirty, Forty...Guess what would be the name of the fifth?
general knowledge math & puzzles

  1. fifty

  2. none

  3. larry

  4. sixty

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Correct Option: C

Complete the series. 9 = 4, 21 = 9, 22 = 9, 24 = 10, 8 = 5, 7 = 5, 99 = 10, 100 = 7, 16 = ?, 17 = ?
general knowledge math & puzzles

  1. 8

  2. 9

  3. 4

  4. 3

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Correct Option: B

What is the probability of choosing a prime number from the numbers 90 to 100 inclusive?
general knowledge math & puzzles

  1. 1 by 5

  2. 1 by 10

  3. 2 by 10

  4. 1 by 11

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Correct Option: D

In which quadrilateral are all of these true: a) 'only' the opposite sides are the same length ; b) the opposite sides are parallel; c) the opposite angles are equal?
general knowledge math & puzzles

  1. trapezium

  2. rhombus

  3. parallelogram

  4. kite

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Correct Option: C