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PSC Brain Quest

Science Riddles & Mysteries

Solve science riddles, earn XP, and create your own Brain Quest for the community!

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13
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All Science Mystery Logic & Reasoning Picture Riddle Guess the Scientist What Am I? Science Myth or Fact Engineering Puzzle Mathematics PSC History
Mathematics 13
Mathematics
The Number That Never Lies
Multiply me by any number, And I stay exactly the same. Add me to any number, And nothing changes. Who am I?
5 XP 13 tried  ·  8 solved
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Mathematics
The age puzzle
In 2 years, I will be twice as old as I was 5 years ago. How old am I now?
5 XP 12 tried  ·  12 solved
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Mathematics
The brother of zero
I have no value alone, but with other numbers I become powerful. I am round like a ball. What am I?
5 XP 13 tried  ·  13 solved
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Mathematics
The silent one
I am an odd number. Take away one letter and I become even. What am I?
5 XP 11 tried  ·  11 solved
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Mathematics
The Square Group
A group of people collects Rs 529. If each person contributes an amount in rupees equal to the total number of people in the group, how many people are in the group?
5 XP 16 tried  ·  15 solved
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Mathematics
Guess my age
When i was 6 my brother was half my age now ,i am 20 , how old is my brother
5 XP 17 tried  ·  17 solved
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Mathematics
The Endless Number
I never end. I never repeat. You can never write all of me, Yet I begin with 3.14159... Who am I?
5 XP 15 tried  ·  15 solved
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Mathematics
The Impossible Cipher
I am a three-digit number. My digits multiply to 72 and add up to 15. When my digits are reversed, the new number is 198 less than me. What number am I?
5 XP 14 tried  ·  12 solved
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The Mysterious Number
Mathematics
The Mysterious Number
I am a two-digit number. I am a perfect square. My digits add up to 10. What number am I?
5 XP 15 tried  ·  15 solved
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Mathematics
The Prime Enigma
My digits multiply to 18. My digits differ by 3. I am divisible by 7. What number am I?
5 XP 15 tried  ·  15 solved
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Who Am I?
Mathematics
Who Am I?
I am even .I am also prime. But if you add 1 to me or subtract 1 from me I become odd. Who am I?
5 XP 17 tried  ·  17 solved
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The Secret Number
Mathematics
The Secret Number
I live between 90 and 100. The numbers that can divide me are 1 and me. What am I?
5 XP 18 tried  ·  18 solved
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Mathematics
The Simple Sum
I am a number. When you add 5 to me, the answer is 10. What number am I?
5 XP 21 tried  ·  21 solved
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