Most answered puzzles under tag number puzzle

0 votes

What number is missing in this sequence? 2; 3; 6; 9; 18; 27; ?; 81

posted Oct 2, 2018 by Brijesh Talwar

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Prime number 31 can be expressed in the form n^5 -1, with n=2. Are there other primes that can be expressed this way?

posted Aug 28, 2018 by anonymous

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If 4+5-2=33 and 10+12-5=119 then 6+8-3=?

posted Aug 6, 2018 by anonymous

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If, 2 = 8; 3 = 18; 4 = 32; 5 = 50 Then, 10 = ?

posted Jul 12, 2018 by Anshika Utadi

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Find the eighth term of the following series - 101; 102; 104; 107; 111;116; ............

posted Jul 9, 2018 by Ankur Athari

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If 2+3+4=11, 3+4+5=15, 4+5+6=19, what is 7+8+9=?

posted Jun 27, 2018 by anonymous

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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 Jun 19, 2018 by anonymous

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

posted Jun 12, 2018 by anonymous

+3 votes

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

posted Apr 26, 2018 by Pushpak Chauhan

+1 vote

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

posted Apr 24, 2018 by Mridul

+1 vote

Solve the number series riddle by replacing the question mark with the correct number ?

posted Apr 9, 2018 by Divya Bharti

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Can you crack the code based on the 5 clues written below by Bhavya?

posted Mar 28, 2018 by Pardeep Kohli

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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

+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

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If 2014 ^ 2014 mod 7 = n mod 7 where 0<= n <= 7 then what is n?

posted Mar 12, 2018 by anonymous

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Find the next number in the series - 21; 32; 54; 87; 131; ?

posted Mar 6, 2018 by Sandeep Otari

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What number gives the same result if you divide it by 2 or take 2 from it...

posted Mar 1, 2018 by anonymous

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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

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Find the missing number in the box.

posted Jan 29, 2018 by Parampreet Kaur

+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

+2 votes

find the 8th term of the series 02,13, 15, 27, 311, 513,......??

posted Jan 15, 2018 by anonymous

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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

+1 vote

Solve the below equation by replacing each letter by different digit.

posted Jan 11, 2018 by Harshita Dhaliwal

+2 votes

Can you solve this tricky maths equation problem by replacing ? mark with correct number?

posted Jan 9, 2018 by Ujjwal Mehra

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A number can be multiplied by multiple of nine i.e 9 18 27 36 45 ....and the resulting number consist of only one digit.

posted Jan 5, 2018 by Tapesh Kulkarni

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Three numbers add up to 14. Multiplied together they come to 84. Find the numbers?

posted Dec 28, 2017 by anonymous

+2 votes

I am a 4 digit number, my 1st digit is of no use as I still remain same without it. My 2nd and 3rd digits are mirror...

posted Dec 25, 2017 by anonymous

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Find the last two non zero digits in 2017!

posted Dec 7, 2017 by anonymous

+2 votes

What is the next number in this series - 1, 2, 6, 42, 1806, ?

posted Dec 6, 2017 by Mridul

+1 vote

How do you write 1×3+7×3 as the product of two factors?

posted Dec 1, 2017 by Jasmine Martinez

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Find the missing number.

posted Nov 17, 2017 by Nimish

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Find the logic behind the numbers and then find the value of the missing number.

posted Nov 16, 2017 by Deepak Chitragar

+1 vote

Study the pattern and complete the series - 2, 6, 14, 26, ?, 62

posted Nov 2, 2017 by Anil Chaurasiya

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Find a two digit number that is twice as big as the two digits multiplied together?

posted Nov 1, 2017 by anonymous

+1 vote

What number should replace the question mark?

posted Oct 27, 2017 by Amarvansh

+1 vote

What two whole numbers multiplied together make 1 million if neither of them have any zeros?

posted Oct 23, 2017 by anonymous

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If we add 12 thousand, 12 hundred and 12 what is the largest digit in the answer?

posted Oct 18, 2017 by anonymous

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Can you find a two digit number that is three times as big as the two digits multiplied together?

posted Oct 16, 2017 by anonymous

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Find the next number in the sequence: 23, 21, 24, 19, 26, 15, 28, 11, 30, 7, 36, ?

posted Oct 16, 2017 by Prithvi

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Complete the square with the numbers 1 to 5 so that no row, column...........What number must replace the question mark?

posted Oct 13, 2017 by Pankaj Deshmukh

0 votes

What Comes Next In The Sequence? 2, 4, 25, 75, 95, 380, ____

posted Oct 12, 2017 by Amarvansh

0 votes

What is the number if it is in the 9 times table and it is 9 more than if its digits are reversed?

posted Oct 12, 2017 by anonymous

+1 vote

How many ways are there to arrange the digits 1 to 7 in a line such that no three consecutive digits are ascending?

posted Oct 6, 2017 by anonymous

0 votes

Using the list of numbers and their accompanying codes, can you decipher the last code and determine the number?

posted Oct 6, 2017 by Divya Bharti

0 votes

Using all the digits from 1 to 6 once only, make two numbers which multiplied together give the largest number possible?

posted Sep 29, 2017 by anonymous

+2 votes

Find this five digit number. With a 1 after it, it is 3 times as large as it is with a 1 before it.

posted Sep 28, 2017 by anonymous

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Which two numbers (neither of which contains any zeros) multiply together to give 100?

posted Sep 26, 2017 by anonymous

+1 vote

If 2,6=15. 3,9=30. 4,8=34 and 5,15=78 then 6,18=?

posted Sep 16, 2017 by Ladonna Pyatt

–1 vote

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 Sep 15, 2017 by Ladonna Pyatt

0 votes

If 5+4-2=25, 3+9-5=7, 6+25-3=38, 2+16-2=6 then 4+36-9=??

posted Sep 11, 2017 by anonymous