2014 · Q39
The multiplication of a three-digit number XY5 with digit Z yields X215. What is X + Y + Z equal to?
Elementary MathematicsNumber System
- A13
- B15
- C17
- D18
Explanation
135 × 9 = 1215, so X = 1, Y = 3, Z = 9 and X + Y + Z = 13.
The multiplication of a three-digit number XY5 with digit Z yields X215. What is X + Y + Z equal to?
Explanation
135 × 9 = 1215, so X = 1, Y = 3, Z = 9 and X + Y + Z = 13.