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Recent puzzles under tag number puzzle

+1 vote
which number replaces the question mark?
posted Mar 26, 2018 by anonymous
  • number puzzle
0 votes
What comes next n the sequence; 15, 18, 23, 30, 41, ?, ?
posted Mar 24, 2018 by Chahat Sharma
  • number puzzle
  • series
  • logic
0 votes
Find the number in place of question mark.
posted Mar 23, 2018 by anonymous
  • number puzzle
  • mathematical
  • series
  • logic
  • visual
0 votes
Using all digits from 1 to 5 once only, make two numbers which multiplied together give the smallest number possible?
posted Mar 23, 2018 by anonymous
  • number puzzle
0 votes
If the sum of the first 10^10^100 odd numbers is of the form a^b^a for positive integers a and b then find a+b = ?
posted Mar 20, 2018 by anonymous
  • number puzzle
  • logic
+1 vote
Solve this logical number series puzzle by replace question mark with the correct number.
posted Mar 19, 2018 by Nikita Sehgal
  • logic
  • number puzzle
  • series
0 votes
What is the number if it is 9 more than its reverse and the sum of the digits is 11?
posted Mar 18, 2018 by anonymous
  • number puzzle
  • logic
0 votes
Arrange all the digits 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9 to give four different square numbers.
posted Mar 16, 2018 by anonymous
  • number puzzle
+1 vote
Once you find the logic between the numbers, you will be able to find the value of the missing numbers in the table.
posted Mar 15, 2018 by Prachi Sharma
  • logic
  • number puzzle
0 votes
Find the remainder when 23^23 is divided by 53?
posted Mar 12, 2018 by anonymous
  • number puzzle
  • algebra
0 votes
If 2014 ^ 2014 mod 7 = n mod 7 where 0<= n <= 7 then what is n?
posted Mar 12, 2018 by anonymous
  • number puzzle
  • algebra
  • logic
0 votes
What is the remainder when 19^92 is divided by 92?
posted Mar 12, 2018 by anonymous
  • number puzzle
  • logic
  • algebra
+1 vote
Are there 5 different positive primes such that the sum of any three of them is a prime?
posted Mar 8, 2018 by anonymous
  • logic
  • number puzzle
+1 vote
A number is multiplied by itself eight times,then divided by 65,536 to return to the original number.What is the number?
posted Mar 8, 2018 by Anamika
  • number puzzle
  • logic
0 votes
Using all numbers from 1 to 10, put them into pairs, so that four pairs add up to 12 and the final pair adds up to 7?
posted Mar 7, 2018 by anonymous
  • number puzzle
  • logic
0 votes
Find the next number in the series - 21; 32; 54; 87; 131; ?
posted Mar 6, 2018 by Sandeep Otari
  • number puzzle
  • series
  • logic
+1 vote
Which 2 digit numbers become 27 bigger when the digits are reversed?
posted Mar 6, 2018 by anonymous
  • logic
  • number puzzle
0 votes
Using all the numbers from 1 to 10, put them into pairs, so that pair adds to 6, 7, 9, 16 and 17?
posted Mar 5, 2018 by anonymous
  • number puzzle
  • mathematical
  • logic
0 votes
Replace the question mark with the correct number.
posted Mar 5, 2018 by Ujjwal Mehra
  • logic
  • mathematical
  • number puzzle
+3 votes
I am a prime number. Double of myself is equal to the square if myself. Which number am I ?
posted Mar 2, 2018 by Amarvansh
  • logic
  • number puzzle
  • mathematical
–1 vote
What comes next in the sequence: 3, 7, 13, 21, 31, ??
posted Mar 1, 2018 by Chahat Sharma
  • number puzzle
  • series
  • mathematical
0 votes
What number gives the same result if you divide it by 2 or take 2 from it...
posted Mar 1, 2018 by anonymous
  • number puzzle
  • logic
+1 vote
What is the value of (n!)^1/n where n tends to the infinity?
posted Feb 27, 2018 by anonymous
  • number puzzle
  • algebra
0 votes
How many different numbers can be made using only the digits 1, 2, 3, 4 and a + sign?
posted Feb 24, 2018 by anonymous
  • logic
  • number puzzle
+2 votes
Is it possible to write 3^2016 + 4^2017 as the product of two numbers, both of which are over 2018^183?
posted Feb 20, 2018 by anonymous
  • number puzzle
  • logic
+1 vote
Write numbers: 3, 4, 5, 6, 10, 12, 13, 15 in a order, such that numbers next to each other add to square numbers?
posted Feb 20, 2018 by anonymous
  • number puzzle
0 votes
Using 1, 2, 3, 4, 5 and 6 make two 3-digit numbers and multiply them together. What is biggest answer you can get?
posted Feb 16, 2018 by anonymous
  • number puzzle
  • logic
0 votes
Look at the equation given in the picture and quickly solve it.
posted Feb 12, 2018 by Aarati Mahajan
  • number puzzle
  • logic
  • mathematical
0 votes
What is the value of (3)65 × (6)59 × (7)71 = ?
posted Feb 11, 2018 by Sachin Yadav
  • number puzzle
0 votes
Using all the digits from 1 to 5 once only, make two numbers which multiplied together give the largest number possible?
posted Feb 8, 2018 by anonymous
  • number puzzle
  • logic
0 votes
Replace the question mark with the number of this simple math problem?
posted Feb 5, 2018 by Basabdatta Mukherjee
  • number puzzle
  • mathematical
  • logic
0 votes
If 2,4,5=3; 3,9,9=6; 4,12,8=5 and 5,10,8=6 then what is 6,18,7=?
posted Feb 2, 2018 by anonymous
  • number puzzle
  • mathematical
0 votes
Find the missing number in the given table.
posted Feb 1, 2018 by Sandeep Otari
  • number puzzle
  • logic
  • mathematical
+1 vote
Find the next number in the series- 12, 20, 40, 72, 116, 172, ?
posted Jan 30, 2018 by Amarvansh
  • series
  • number puzzle
  • logic
0 votes
Find the missing number in the box.
posted Jan 29, 2018 by Parampreet Kaur
  • number puzzle
  • logic
+1 vote
Product of three consecutive numbers are 7980. Then the sum of these consecutive numbers would be?
posted Jan 29, 2018 by Brijesh Talwar
  • logic
  • number puzzle
  • mathematical
0 votes
Can you identify the logic behind the equation below and solve the puzzle by completing the equation?
posted Jan 24, 2018 by Aastha Joshi
  • logic
  • number puzzle
  • mathematical
0 votes
What number should replace the question mark in this sequence? 1 ; 5 ; 21 ; ? ; 341 ; 1365
posted Jan 23, 2018 by Nikita Sehgal
  • mathematical
  • series
  • number puzzle
  • logic
+1 vote
1 x 9 + 2 = , 12 x 9 + 3 = , 123 x 9 + 4 =... continue the pattern and see if you can predict answer before calculating?
posted Jan 21, 2018 by anonymous
  • series
  • number puzzle
  • logic
0 votes
Two digit number, when is digits are added together answer is one third of answer when 2 digits are multiplied together?
posted Jan 21, 2018 by anonymous
  • number puzzle
  • logic
+3 votes
Can you find a four digit number based on three clues below?
posted Jan 19, 2018 by Mridul
  • number puzzle
  • logic
+1 vote
Find the missing number in the triangle.
posted Jan 18, 2018 by Vishal
  • number puzzle
  • logic
0 votes
Is it possible to write integers from 1 to 10 in some order such that any two adjacent number add up to a prime number ?
posted Jan 18, 2018 by anonymous
  • logic
  • number puzzle
+1 vote
I have 3 numbers and product of any 2 is equal to 3rd one. Is it true that 3 numbers must be either all 0's or all 1's?
posted Jan 16, 2018 by Salil Agrawal
  • logic
  • number puzzle
+1 vote
If x1 and x2 are irrational numbers, can x1^x2 be a rational?
posted Jan 16, 2018 by Salil Agrawal
  • number puzzle
  • mathematical
0 votes
If 8-22-5-22-13 equates to seven, and 7-4-12 makes two, how would you write ten?
posted Jan 16, 2018 by anonymous
  • number puzzle
  • logic
+2 votes
find the 8th term of the series 02,13, 15, 27, 311, 513,......??
posted Jan 15, 2018 by anonymous
  • series
  • number puzzle
0 votes
Can you find four consecutive numbers which add up to 10?, 14?, 50?, 106? Is there a quick way to find them?
posted Jan 12, 2018 by anonymous
  • number puzzle
0 votes
What number should replace both question marks?
posted Jan 11, 2018 by Ankur Athari
  • logic
  • number puzzle
+1 vote
Solve the below equation by replacing each letter by different digit.
posted Jan 11, 2018 by Harshita Dhaliwal
  • logic
  • number puzzle
  • mathematical
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