Mathematical Puzzles
Hard
1 min
A number is divided by 4, then 7 is added. The result is 19. What is the number?
Hint
Reverse the operations.
Answer
48.
Explanation
Let the number be x. x ÷ 4 + 7 = 19, so x ÷ 4 = 12 and x = 48.
Step-by-Step Solution
x ÷ 4 + 7 = 19
x ÷ 4 = 12
x = 48
x ÷ 4 = 12
x = 48