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Number Puzzles

Collection of best number puzzles

Number puzzles have specific set of rules, you first has to figure out the pattern being followed and then answer the puzzle according to the pattern.
Number puzzles are a part of many competitive examinations, these also helps you improve your logical thinking and above all these are fun to crack !!!

Apply you mind and solve these number puzzles now

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Number Puzzle #189

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Can you solve this number puzzle?

36 8 32 :  21 6 20: 3 4 ? : 12 9 18

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Answer With Explanation
soln from P.C.S. CREATION in comments
(21+6) – (21/3)= 27-7= 20
(36+8)-(36/3)= 44-12=32
(9+12)-(9/3)= 21-3=18
(4+3) – ( 3/3 )= 7 – 1 =6

Number Puzzle #187

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Number Puzzle #187

0 3 14 2 1 : 2 10 24 6 8 : 4 14 ? 5 6

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Answer is 71

as numbers add upto a multiple of 10 in every atom.

ex. 0 + 3 + 14 + 2 +1 =20
2 + 10 + 24 + 6 + 8 = 50
only option which can make the sum to a multiple of 10 for 4 + 14 + 5 + 6 is 71.

answered by Ram Balaji in disqus comments

Number Puzzle #184

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What number should replace the question mark?

Math vaibhav rvm

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Answer With Explanation
Its actually pretty simple

all the rows sum is 15

first row => 9 + 1 + 5 => 15
second row => 4 + 8 + 3 => 15
third row => 2 + ? + 7 => 15 => ? = 15 – 7 -2 => 6

Find the Pin

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Five Clues

  1. 7 2 5: 1 number is correct and placed in the wrong spot
  2. 3 1 7: 2 numbers are correct and placed in the wrong spot
  3. 7 9 3: 1 number is correct and placed in the proper spot
  4. 8 4 9: nothing is correct.
  5. 8 9 1: 1 number is correct and placed in the wrong spot.

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Answer With Explanation

from clue 3 and 4 -> 1 number can be 7 OR 3 (since 9 is not correct). Now if 7 was correct and placed in proper spot, it conflicts with Clue 1, thus 7 can’t be the correct number and the correct number is 3 and placed at proper spot (which is 3rd spot).

Now from 2nd clue -> two numbers are correct, one is 3 and other one should be 1 (as we know 7 can’t be correct number), since 1 is placed at wrong spot, correct spot for 1 should be first (since 3rd spot is for 3).

Again from Clue 1: 1 number is correct and placed at wrong spot. we are looking for a number at 2nd spot, it should be 5 (as 7 is not in picture and it can’t be 2 since it is placed at 2nd spot), 5 is placed at wrong spot, its correct spot should be 2nd, since we already know 1st and 3rd spot numbers.

Thus the PIN is 153.

 

McDonald’s Number Puzzle

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What will be the value Burger + FrenchFries x ColdDrink ?


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Answer With Explanation
Answer: 15
Solution:
If you see there are 3 variables and 3 equations, we can solve the equations and get the variables values and than we can find the value of fourth equation.

From the first equation we can say that ColdDrink = 10
than from the second Burger = (20 – 10)/2 = 5
and from the third equation FrenchFries= (9 – 5)/4 = 1

Thus Burger + FrenchFries * ColdDrink = 5 + 1*10 = 15

here as per BODMAS 5 + 1*10 will be 5 + 10 = 15

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