#1 - A numeric lock has 3 digit key Riddle

Difficulty Popularity

A numeric lock has 3 digit code with the below rules:

(3,0,2)one number is correct and well-placed;
(3,5,6)one number is correct but wrong placed;
(5,7,4)Two numbers are correct but wrong placed;
(6,8,9)nothing is correct;
(6,7,0)one number is correct but wrongly placed

category : LOGIC | EQUATION

#2 - 60/2(10+5) Trick Viral Equation

Difficulty Popularity

Can you solve the below trick equation?

#3 - Viral Clock Banana Shapes Hard Math Equation Riddle

Difficulty Popularity

This Viral riddle is all over the internet as this maths equation riddle is very tricky and will test your logical and eye test.

So Can you solve this Clock Banana and Maths Shapes Riddle?

#4 - 1-9 Plot Number Puzzle

Difficulty Popularity

Can you solve the below equation by plotting numbers 1-9 without repeating any number?

Note: Only less than 5% of the users can solve this puzzle in less than 10 minutes.

category : EQUATION

#5 - Tricky Equation To Solve Riddle

Difficulty Popularity

If,
29 - 1 = 30
9 - 1 = 10
14 - 1 = 15

Based on above logic, can you prove that
11 - 1 = 10 ?

#6 - Fun With Maths Riddle

Difficulty Popularity

Let us say there are two natural numbers 'A' and 'B'. We performed eight operations on two numbers as

Step-1: A = B
Step-2: A x A = B x A
Step-3: A^2 - B^2 = AB - B^2
Step-4: (A + B)( A - B) = B(A - B)
Step-5: A + B = B
Step-6: B + B = B
Step-7: 2B = B
Step- 8: 2 = 1

What's the trick?
category : MATHS | EQUATION

#7 - Ball Series Puzzle

Difficulty Popularity

In this famous ball puzzle, can you complete the series by finding the value of "?"

#8 - Number Dot Equation Puzzle

Difficulty Popularity

Can you solve the below equation puzzle?

category : MATHS | EQUATION

#9 - Algebraic Expressions Puzzle

Difficulty Popularity

0 0 0 = 6
1 1 1 = 6
2 2 2 = 6
3 3 3 = 6
4 4 4 = 6
5 5 5 = 6
6 6 6 = 6
7 7 7 = 6
8 8 8 = 6
9 9 9 = 6

You can use any mathematical symbols in the space provided to make all above algebraic expressions true.
category : MATHS | EQUATION

#10 - Most Popular Number Series IAS Problem

Difficulty Popularity

Can you solve the number series problem by replacing boxes with number 1, 3 , 5 , 7 ,9 , 11 , 13 , 15?

Note: You can also repeat the number.

This interesting problem was asked in India's one of toughest competitive exam UPSC(IAS/IPS).

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