| __ | 1. | 2 h 40 m 35 s + 1 h 25 m 50 s | | A. | 4 h 6 m 25 s |
| __ | 2. | 3,75 h a hores, min, segons | | B. | 5 h 45 m 15 s |
| __ | 3. | 4 h 15 m 20 s + 3 h 45 m 50 s | | C. | 8 h 1 m 10 s |
| __ | 4. | 7 h 35 m 45 s – 1 h 50 m 30 s | | D. | 3 h 45 m 0 s |
| __ | 5. | 15 h 20 m 40 s – 7 h 45 m 55 | | E. | 2.5 h |
| __ | 6. | Converteix 2 h 30 m 0 s a dec | | F. | 7 h 34 m 45 s |
| __ | 7. | Expressa 0,25 h en min i seg | | G. | 0 h 15 m 0 s |
| __ | 8. | passa 10 h 45 min 30 s a seg | | H. | 6 h 30 m 0 s |
| __ | 9. | Passa 23.400 s a h, min, seg | | I. | 0 h 40 m 0 s |
| __ | 10. | passa ⅔ d’una hora en min i se | | J. | 38730 s |