This number riddle can be solved by working backward from the final result.
Let the unknown number be x:
2x + 12 = 30
First, subtract 12 from both sides:
2x = 18
Then divide both sides by 2:
x = 9
You can check the result:
9 × 2 = 18
18 + 12 = 30
Answer: 9
The challenge claims there is only one difference, but a careful comparison suggests there may actually be two. First, compare the cargo pockets on the shorts. One…
The message above the equation tries to convince you that the answer cannot be 5, but the calculation tells a different story. The expression is: 5 ×…
This riddle looks like a simple number question, but the wording hides a clever trick. Most people immediately think of the number 5 because it sits between…
This cheerful elephant puzzle is trickier than it first appears. Several large elephants are easy to notice, but the smaller ones are hiding behind adults, beneath their…
This number sequence may look confusing at first, but each value follows the same simple rule. Start with 2 and multiply it by 3: 2 × 3…
This equation may look simple, but it catches people who calculate strictly from left to right. The expression is: 4 × 4 + 4 ÷ 4 Multiplication…
