Recent puzzles under tag number puzzle

+1 vote

If, 12 = 6 and 6 = 3; Then why isn’t 10 = 5? (And what is 10 equal to)

posted Sep 7, 2017 by Mogadala Ramana

0 votes

I have 5 real numbers whose product is non-zero. Now, I increase each by 1 and again multiply all of them...

posted Sep 6, 2017 by anonymous

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Create the number 24 using (all of) 1,3,4 and 6. You may add, subtract, multiply and divide. Parentheses are free.

posted Sep 6, 2017 by Madhavi Latha

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Find the number between 1 and 49 (inclusive) such that the sum to the left of it is equal to the sum to the right of it.

posted Sep 5, 2017 by anonymous

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The Product of two numbers is six times their sum and the sum of their squares is 325. What are the two numbers?

posted Sep 5, 2017 by anonymous

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Look at the pattern in first two pentagon and find the missing number in the third one?

posted Sep 3, 2017 by anonymous

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Find out the missing number: 2 3 1 2, 3 4 4 5, 5 6 6 7, 30 43 51 ?

posted Sep 2, 2017 by anonymous

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The large number has been formed by concatenating the integers 1 to 44. What is the remainder when it is divided by 45?

posted Sep 1, 2017 by anonymous

+1 vote

The numbers given in the sequence below follow a unique logic, can you find it? 8, 549, 176, 320

posted Aug 31, 2017 by Divya Bharti

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find the next number in following series: 16,21,26,26,12,??

posted Aug 31, 2017 by Mogadala Ramana

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If 5 + 4 = 9, 3 + 5 = 9, 9 + 1 = 9, 1 + 6 = 8, 4 + 2 = 8, 1 + 7 = 7, 5 + 6 = 6, 3 + 7 = 3 and 7 + 0 = 0 Then 8 – 1 => ?

posted Aug 30, 2017 by anonymous

+1 vote

Can you find a number such that if we multiply that number by 1 or 2 or 3 or 4 or 5 or 6...........

posted Aug 30, 2017 by Mogadala Ramana

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What is the smallest number that cannot be obtained with one throw of a dart?

posted Aug 28, 2017 by anonymous

–1 vote

If 3+2=7, 8+7=45 and 9+4=104 then 10+1=?

posted Aug 27, 2017 by anonymous

+1 vote

Rearrange 1234 so that it is divisible by 11, how many different such possibilities exist?

posted Aug 27, 2017 by anonymous

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Write the numbers from 1 to 100 with either an add or subtract sign between each. Can you make the total 2000?

posted Aug 23, 2017 by anonymous

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See the image and fill the question mark (?)?

posted Aug 23, 2017 by anonymous

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The driver of the taxicab was wanting in civility, so Mr. Sharma asked him for his number.......was the fellow's number?

posted Aug 18, 2017 by Madhavi Latha

+1 vote

If 3=3, 4=15 and 6=51 then 8=?

posted Aug 18, 2017 by Astute

+1 vote

Is it possible to write down 1,2,3..100 in some order, such that the sum of any two adjacent numbers is a prime number?

posted Aug 17, 2017 by anonymous

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What is the smallest positive integer which is a multiple of 3 and the product of all of whose digits is 2016?

posted Aug 17, 2017 by anonymous

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What is the smallest even number which cannot be obtained when the scores on two dice are multiplied together?

posted Aug 17, 2017 by anonymous

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What would be the value of ? in the given image?

posted Aug 17, 2017 by anonymous

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If 1=5, 2=25, 3=325 and 4=4325 than 5=?

posted Aug 13, 2017 by anonymous

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If 5+3=28, 9+1=810, 8+6=214 and 5+4=19 than 7+3=?

posted Aug 13, 2017 by Mohan Singh Chouhan

–1 vote

If; 1 + 9 + 11 = 1 & 12 + 11 + 9 = 1 Then; 14 + 11 + 9 = ?

posted Aug 10, 2017 by Vishal

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IF 5 7 3 20 10 30 then 95 45 ?

posted Aug 9, 2017 by anonymous

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If 273xy is divisible by 80 then what will be value of (x + y)?

posted Aug 7, 2017 by anonymous

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If E are even digits and O are odd digits with no digit repeated, find all digits in the image?

posted Aug 6, 2017 by anonymous

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If 0=3, 1=2, 2=3 and 3=6 then 4=?

posted Aug 2, 2017 by anonymous

+2 votes

See the image and fill the question mark (?) in the third grid?

posted Aug 1, 2017 by anonymous

+1 vote

1 and 9 are perfect squares with only odd digits. Are there any other perfect squares consisting of only odd digits?

posted Aug 1, 2017 by anonymous

+1 vote

Is 2^50 + 1 a prime number?

posted Jul 31, 2017 by anonymous

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What is the smallest number (bigger than 1) that will leave a remainder of 1 when divided by any of 2, 3, 4, 5, or 6?

posted Jul 30, 2017 by anonymous

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Use three twos in three different ways so the second answer is twice the first answer and half the third answer?

posted Jul 29, 2017 by anonymous

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If a, b and c are integers, is it possible that a+b, b+c and c+a are all odd numbers?

posted Jul 28, 2017 by anonymous

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If 1,4,3=13; 4,5,4=9; 5,6,5=11 and 7,7,6=7 then 9,8,7=?

posted Jul 27, 2017 by anonymous

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Divide 40 by half and add 12. Then divide it by 8. What is the answer?

posted Jul 27, 2017 by anonymous

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What will be the next number in the sequence? 41, 86, 262, 1057, 5371, ??

posted Jul 26, 2017 by Pooja Shetty

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If 2 3 = 10; 7 2 = 63; 6 5 = 66; 8 4 = 96 then 9 7 = ?

posted Jul 26, 2017 by Mohammad

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Which 2 digit number has its digits reversed when you double it and take 1?

posted Jul 25, 2017 by anonymous

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What will be the value of question mark: 3:28::5:?

posted Jul 25, 2017 by anonymous

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What is both even and odd?

posted Jul 24, 2017 by Kushal S

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What comes next in the sequence: 9647, 4663, 3436, 3324, ?

posted Jul 24, 2017 by Akriti

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As n increases, the number of positive divisors of nxnxnxn.....n (n times) increases. Is it true or false?

posted Jul 23, 2017 by anonymous

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If 1+9+8=1, then what does 2+8+9 equals?

posted Jul 21, 2017 by Vikram Sharma

0 votes

What Comes Next in the Sequence; 0, 11, 235, 8132, 13455, ?

posted Jul 20, 2017 by Ankur Athari

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What wold be the value of ? if we consider this in a matrix: 6 2 3 5 9 | 3 5 6 4 18 | 4 9 3 5 27 | 2 7 4 5 ?

posted Jul 19, 2017 by anonymous

+1 vote

How many factors of 878800000 are perfect squares and which are those factors?

posted Jul 19, 2017 by anonymous

0 votes

What comes next in the sequence; 11717; 12817; 13917; 141017; 151117; 161217; ???????

posted Jul 18, 2017 by Manish Tiwari