Mathematics
Grade5
Easy
Question
Rose started cooking at 7:05 p.m. She was in the kitchen till 8 : 15 p.m. She took ____________ minutes for cooking.
- 90
- 70
- 75
- 60
The correct answer is: 70
In hours, 8:15 – 7 : 05 = 1 : 10 hours
1 hr + 10 min
In minutes, 1 × 60 min + 10 min
= 60 min + 10 min
= 70 min
Time taken by rose = 8:15 – 7 : 05 = 1 : 10 hours. = 1 x 60 + 10 minutes = 70 minutes.