Most voted puzzles under tag number puzzle

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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

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Find the next number in the series- 12, 20, 40, 72, 116, 172, ?

posted Jan 30, 2018 by Amarvansh

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Product of three consecutive numbers are 7980. Then the sum of these consecutive numbers would be?

posted Jan 29, 2018 by Brijesh Talwar

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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

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Find the missing number in the triangle.

posted Jan 18, 2018 by Vishal

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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

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If x1 and x2 are irrational numbers, can x1^x2 be a rational?

posted Jan 16, 2018 by Salil Agrawal

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

posted Jan 11, 2018 by Harshita Dhaliwal

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What is the original number on sachin's number plate?

posted Jan 10, 2018 by Sandeep Otari

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Find The Next Number In The Sequence 30; 10; 15; 13; 0; 16; -15; ?

posted Jan 2, 2018 by Mishthy Mukherjee

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Find three different whole numbers that add up to 10. How many different ways can this be done?

posted Jan 2, 2018 by anonymous

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What will be the unit digit of 777^777?

posted Dec 19, 2017 by anonymous

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x is a positive integer such that the sum of its digits times 5 equals itself. What is x?

posted Dec 15, 2017 by anonymous

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Find the five digit number in which the first digit is one half of the the 4 fourth digit, the second digit is..........

posted Dec 13, 2017 by Puneet Batra

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When 31513 and 34369 are each divided by a certain three-digit number, the remainders are equal. Find this remainder?

posted Dec 11, 2017 by anonymous

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A bag of potatoes weighs 50 lbs divided by half of its weight. How much does the bag of potatoes weigh?

posted Dec 5, 2017 by anonymous

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In any day before noon how many times is the sum of the digits of the time equal to 15?

posted Dec 5, 2017 by anonymous

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Can you find out the "friendship like" relation between the two even numbers 284 and 220?

posted Dec 4, 2017 by Vilas Joshi

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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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How many sets of integers are there where sum of 3 different integers = product of 3 integers (i.e. a+b+c = a*b*c)?

posted Nov 30, 2017 by anonymous

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Find two 3 digit square numbers that are the reverse of each other?

posted Nov 9, 2017 by anonymous

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The sum of the digits of a three digit number is 12. If the hundreds digit is 3 times the tens digit and the............

posted Nov 8, 2017 by Samardeep Acharya

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

posted Nov 2, 2017 by Anil Chaurasiya

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What number should replace the question mark?

posted Oct 27, 2017 by Amarvansh

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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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Add together three numbers each time to score 45. .........................How many different combinations are there?

posted Oct 20, 2017 by Vishal

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Use 1 to 9 digit exactly once and make 9 pairs (a,b) such that a/b=1/2, 1/3, 1/4...1/9?

posted Oct 14, 2017 by anonymous

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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

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

posted Sep 16, 2017 by Ladonna Pyatt

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If 6=31, 5=21, 4=13, 3=7 and 2=3 then 1=?

posted Sep 15, 2017 by anonymous

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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

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

posted Aug 18, 2017 by Astute

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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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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

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Is 2^50 + 1 a prime number?

posted Jul 31, 2017 by anonymous

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

posted Jul 19, 2017 by anonymous

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If 2+3=25, 4+5=45 and 0+8=40 then 1+6=?

posted Jul 14, 2017 by anonymous

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If for some positive integer k both 4^k and 5^k start with same digit x, what is the sum of all possible values of x?

posted Jul 8, 2017 by anonymous

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If 27 * 4 = 77 and 31 * 9 = 239 then 21 * 6 = ?

posted Jul 3, 2017 by Manoj Mishra

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When can you add 2 to 11 and get 1 as the answer ?

posted Jun 30, 2017 by Satish Mn

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If 26+64 = 63, 32+48 = 83 and 43+57 = 74 then what is the value of 68+39 = ?

posted Jun 21, 2017 by anonymous

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Sum Sam and Product Pete are in class when their teacher gives Sam the Sum of two numbers..........What are the numbers?

posted Jun 15, 2017 by Karan Joglekar

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N has precisely 10 positive divisors. N has precisely 15 positive divisors. N has precisely 20 positive divisors....

posted Jun 13, 2017 by anonymous

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Find the next number in the series below? 6; 18; 270; 72090; ?

posted Jun 12, 2017 by Aman

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If 5 + 3 = 835, 2 + 4 = 642, 7 + 0 = 707 then 6 + 1 = ???

posted Jun 8, 2017 by Akriti

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Can you write down eight eights so that they add up to one thousand ?

posted May 29, 2017 by Vikram Sharma

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3 rational numbers form a GP, if 8 is added to the middle number, then this new sequence forms an AP...

posted May 10, 2017 by anonymous