Recent puzzles under tag number puzzle

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What is the next number in the series : 10, 54, 450, 4014, ?

posted 14 hours ago by Madhavi Latha

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Three different numbers written on cards are placed side by side. The first and the second add up to 15...

posted 2 days ago by anonymous

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How much would you need to be paid each calendar month if you were to be paid $1 million over 40 years?

posted 3 days ago by anonymous

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Can you Crack the Code?

posted 3 days ago by Pushpak Chauhan

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If 6 / 7 = 2; 3 / 9 = 7; 8 / 2 = 6 Then 4 / 5 = ?

posted 3 days ago by Anuradha Tabyal

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Find the sum of all whole numbers whose digits are strictly increasing?

posted 5 days ago by anonymous

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What is a dozen plus a score plus a gross?

posted 5 days ago by anonymous

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If 1+2=5, 2+5=12, and 3+6=21, what is 5+8=?

posted Jun 12 by anonymous

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What number is twice the sum of it’s digits?

posted Jun 12 by anonymous

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if (3, 4, 11) (8, 12, 63) (9, 6,64) then (12, 10, ?)

posted Jun 12 by anonymous

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What is the smallest number which is divide exactly by each of 1, 2, 3, 4, 5 and 6 ?

posted Jun 11 by anonymous

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Once you figure out the logic between the numbers, find the value of X & Y in the pyramid.

posted Jun 8 by Rahul Chandel

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How many times does the digit 9 appear in all the numbers from 1 to 1000?

posted Jun 5 by anonymous

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What is the next number in this sequence? 5; 6; 10; 17; 27; 40; 56; ?; ?

posted Jun 4 by Aastha Joshi

+1 vote

What comes next in the sequence; 1, 3, 9, 31, ?

posted Jun 2 by Nikita Sehgal

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What is the next number in the series - 8,202 ; 912 ; 102 ; 12 ; ?

posted Jun 1 by Rahul Vaidya

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If first 17 positive integers are rearranged into a sequence such that sum of any two adjacent is a perfect square...

posted May 31 by anonymous

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If you had a set of ten cards numbered 0 to 9 could you make five two-digit numbers which are all even?

posted May 31 by anonymous

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What is the dividend of 22 divided by 7?

posted May 28 by Amrita

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What is the second least signifficant digit of {10 + sqrt(90)}^1000000000

posted May 27 by anonymous

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How old is someone who has lived half a million hours?

posted May 27 by anonymous

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If you wrote the numbers from 1 to 99 what would all the digits add up to?

posted May 25 by anonymous

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N is a number where each digit is divisible by its place, it has to be atleast 5 digits and atleast 3 different digits?

posted May 24 by anonymous

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Using the digits 1, 2, 3, 4 and 5 and one multiplication sign anywhere you like what is the largest number possible?

posted May 21 by anonymous

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If A != B and A^n + B^n is an integer for all positive integers n, must A and B both be the integers? [MCQ]

posted May 17 by Mohammad

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What is the next palindromic number after 72927?

posted May 17 by Mohammad

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Using digits of 1999 in that order and operations +, -, x, /, and brackets can you make any of the numbers from 1 to 20?

posted May 11 by anonymous

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Find the numbers between 100 and 1000 in which all digits are distinct?

posted May 10 by Mishthy Mukherjee

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13 x 13 = 169 and 31 x 31 = 961. Can you find other numbers which give answers in reverse order?

posted May 10 by anonymous

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If you wrote all the numbers from 0 to 600, how many times would the digit 5 appear?

posted May 9 by anonymous

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Can you complete the table series puzzle by replacing the ?? with the correct number: 81 36 144, ?? 25 16, 64 100 49

posted May 8 by anonymous

+1 vote

Three consecutive numbers multiplied together give 3360, what are the numbers ?

posted May 8 by anonymous

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Which number has 2 digits, it is prime and it is 2 more than a square number?

posted May 7 by anonymous

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What is the least positive integer n such that n!(n+1)!(2n+1)! - 1 yields a number ending with thirty digits of 9's?

posted May 3 by anonymous

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A number between 700 and 900 gives a remainder of 1 each time when divided by 2, 3, 4, 5, 6, 7 & 8. What is the number?

posted May 3 by anonymous

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Find the ways to make 746 using a number and its reverse: example - 472 + 274 = 746

posted May 2 by anonymous

–1 vote

how many numbers can you see?

posted May 1 by Charles Samuel

+2 votes

Find natural number n such that (5n)! has 2018 trailing 0's?

posted Apr 30 by anonymous

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What is the smallest positive integer ending in 1986 which is divisible by 1987?

posted Apr 30 by anonymous

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What is the number if it is 1 less than a square number and it is not divisible by 3 or 7?

posted Apr 30 by anonymous

+3 votes

Can you find the value of the missing number in the fourth circle?

posted Apr 26 by Pushpak Chauhan

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Find the minimum value of n such that the equation 10^n/x = 1989 has an integer solution x where n is a natural number?

posted Apr 25 by anonymous

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How many different numbers can you make if you use the digits 1, 2, 3, 4 once each, in any order, and a times sign?

posted Apr 25 by anonymous

+1 vote

What is the next number in the series. 15; 29; 56; 108; 208; ?

posted Apr 24 by Mridul

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Are there more seconds in a year then hours in a century?

posted Apr 19 by anonymous

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Use five twos and as many plus signs as you need to make 28?

posted Apr 18 by anonymous

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Make numbers 1 - 30 using the digits 2, 0, 1, 8

posted Apr 17 by anonymous

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Find out how the numbers in the table are connected and then find the missing number.

posted Apr 12 by Brijesh Talwar

+1 vote

What is the only whole number between one and ten which does not divide exactly into 360?

posted Apr 12 by anonymous

+1 vote

What is the next number in this series - 5, 22, 73, 226, ?

posted Apr 12 by Tapesh Kulkarni