In a certain code language, ‘ROCKS’ is written as ‘82649’, ‘MENTR’ is written as ‘01578’. What is the code for ‘TROMN’ in that code language?

78205 78203 76205 70581

78205

The logic followed here is : HERE R O  C  K  S ↓  ↓  ↓  ↓   ↓ 8  2  6 4  9 AND M  E  N T  R ↓   ↓  ↓  ↓   ↓ 0  1 5  7  8 SIMILARLY T  R  O  M  N ↓   ↓   ↓    ↓  ↓ 7  8  2  0   5