Number Riddles Questions and Answers

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One-I am a square number I am an even number I am a multiple of 9 I am greater than 50 and less that 200. What number am I?  Answer-144

Two-The sum of my factors is 121 I am an odd number I am a square number I am less than 100. What number am I? Answer-81 

Three-If you double me you get a square number I am greater than 100 and less than 1000 I am a cube number I am even number. What number am I? Answer-512

Four-I am a prime number If you multiply me by 3 you get a cube number I am less than 100. What number am I? Answer-53

Five-I am a prime number The sum of my digits is 9 less than my number and I am an odd number. What number am I? Answer-11

Six-My tens digit is double my ones digit I am greater than 10 and less than 35 My digits add up to an even number. What number am I? Answer-21

Seven-The sum of my factors is 121 my digits add up to an even number I am a square number less than 100 {10 *10} What number am I? Answer-64 {8*8}

Eight-I am a cube number 50 is factor I am less than 2000 What number am I? Answer-1000


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