What Do You Need?


Need: multiple of 7, odd, ones digit is larger than its tens digit, tens digit is odd.

Don't need: less than 200 (all are), not multiple of 10 (only multiple of 10 and 7 on grid is even), not multiple of 11 (only multiple of 11 and 7 on grid has both digits same), greater than 9 (info about units and tens digits given)

Answer: 35