The digits of a two-digit number differ by 4. If the number is 4 times the sum of its digits, find the number.
- A.26
- B.48 ✓
- C.62
- D.84
Explanation: Let tens=t, units=u. u=2t from the given ratio condition, and t−u=−4 gives t=4, u=8 → the number is 48. Check: 4×(4+8)=48.
Class 6 IMO Mathematics Olympiad practice · HOTS / Achievers · Multi-Concept Achievers
← All Multi-Concept Achievers questions