Recent puzzles under tag number puzzle

0 votes

If m and n are whole numbers and m^n = 289, what is the value of (m - 14)^(n+2)?

posted Jul 18, 2017 by anonymous

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How many numbers between 10 and 99 inclusive contain different digits? (i.e. 36 has different digits but 33 doesn't)

posted Jul 18, 2017 by anonymous

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Anyone solve?? With logic

posted Jul 16, 2017 by Måñîšh Lålwåñï

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What comes next in the sequence: 97895 , 45638 , 32156 , 18101 , ?

posted Jul 14, 2017 by Aarati Mahajan

+1 vote

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

posted Jul 14, 2017 by anonymous

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Can you find the value of B from the below Mathematical equation?

posted Jul 12, 2017 by Mohammed S

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If 26+64 = 801, 32+48 = 701 and 43+57 = 901 then what is the value of: 67+32 = ?

posted Jul 11, 2017 by anonymous

–3 votes

If 1+5=24, 2+6=20, 3+7=14 and 4+8=5 then 5+9=??

posted Jul 10, 2017 by anonymous

+1 vote

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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Which car goes into which road ?

posted Jul 7, 2017 by Ambika Sharma

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What is the missing number?

posted Jul 6, 2017 by Varuna Magar

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Find a number whose double exceeds its half by 99?

posted Jul 4, 2017 by anonymous

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What comes next in the sequence; 283 , 5177 , 1131515 , ?

posted Jul 3, 2017 by Chahat Sharma

+1 vote

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

posted Jul 3, 2017 by Manoj Mishra

+1 vote

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

posted Jun 30, 2017 by Satish Mn

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12345 can be expressed as summation of two prime numbers in only one way. What is the value of the larger prime number?

posted Jun 30, 2017 by anonymous

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How many numbers between 1 and 100 do not have a 9 in them?

posted Jun 30, 2017 by anonymous

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Write 0 then concatenate prime numbers in increasing sequence i.e. 0.2357111317192329... Is this rational or irrational?

posted Jun 28, 2017 by anonymous

+3 votes

Based on below equation logic, Can you prove that the below algebraic equation is true? 11 - 1 = 10 ?

posted Jun 28, 2017 by Yogeshwar Thakur

+2 votes

Using the numbers 3, 3, 3, 7, 7 & 7 (in any order), can you find a mathematical expression with a result equal to 232?

posted Jun 28, 2017 by Divya Bharti

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Two prime numbers sum to 86479. What is their positive difference?

posted Jun 23, 2017 by anonymous

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What number should replace the question mark?

posted Jun 23, 2017 by Anil Chaurasiya

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Find the value of all these with the help of the equations below.

posted Jun 22, 2017 by Riteshwar

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Make a number according to these clues: a) Digit 5 is three places before digit 9 ...

posted Jun 22, 2017 by anonymous

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Sum of 6 unique digits except zero to get 20?

posted Jun 21, 2017 by Maheen Jaan

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If 2+6+5=121056, 3+7+4=211270 and 6+5+3=301899 then 7+4+2 =??

posted Jun 21, 2017 by anonymous

–1 vote

Fill the question mark in the following grid - 6 8 7; 3 64 4; 24 48 ?

posted Jun 21, 2017 by anonymous

+1 vote

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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DIX is French for ten but what does DIX represent in Roman numerals?

posted Jun 21, 2017 by anonymous

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Five squares makes a shape of plus. Place digits in each square such that the multiply of three vertical numbers...

posted Jun 19, 2017 by anonymous

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If a + b + c = 8 and a.b.c = 27 then is there exist solution/s in (a,b,c) where a, b and c are positive real numbers?

posted Jun 16, 2017 by anonymous

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Find the missing numbers in the series - 44, 64, 100, 25, 49, ??, 36, 81, ??

posted Jun 16, 2017 by anonymous

+2 votes

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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How much money he starts his journey?

posted Jun 15, 2017 by Bhanurmayee

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How is 29 - 1 = 30?

posted Jun 13, 2017 by anonymous

+1 vote

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

posted Jun 13, 2017 by anonymous

+1 vote

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

posted Jun 12, 2017 by Aman

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Start at 80, you are allowed to add 11 and take 7 as many times as you like. Can you make 70?

posted Jun 11, 2017 by anonymous

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What 3 digit number will give you the same answer whether you subtract 5 or divide by 5?

posted Jun 10, 2017 by Divya Joshna

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If MANGO is written as 52545 then APPLE is written as _ ?

posted Jun 9, 2017 by anonymous

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Find the number of distinct fractions a/b, where both a & b are integers with 0<=a<=b<=50 and gcd(a,b) = 1?

posted Jun 9, 2017 by anonymous

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Make 3 two digit numbers and 1 single digit number using 1, 2, 3, 4, 5, 6, 7 and add them together to make 100?

posted Jun 9, 2017 by anonymous

+1 vote

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

posted Jun 8, 2017 by Akriti

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If 1+2=3, 2+3=16 and 3+4=45 then 4+5=??

posted Jun 7, 2017 by anonymous

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If 8638 + 7542 = 1215 & 5589 + 2468 = 4331 Then; 1357 + 1919 = ????

posted Jun 6, 2017 by Ankur Athari

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Start with any number less than 20. If number is even, halve it and If number is odd, add one. Do they always end in 1?

posted Jun 3, 2017 by anonymous

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Using any combination of +, x, -, / and all of the digits 2, 3, 6 and 8 once only, make the number 36?

posted Jun 1, 2017 by anonymous

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If m and n are whole numbers and m^n = 841, what is the value of (m - 23)^(n+1) ?

posted Jun 1, 2017 by anonymous

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Which number will replace a, b, c, d in the image below ?

posted May 31, 2017 by Rajesh Jk

0 votes

Can you identify the numbers missing in the Boxes ?

posted May 31, 2017 by Rajesh Jk