Find the ratio of the following:
(a) Speed of a cycle 15 km per hour to the speed of scooter 30 km per hour.
(b) 5 m to 10 km
(c) 50 paise to Rs 5
In a ratio, the quantities are in the same unit. If they are not in the same units, then first we convert them in the same unit.
72% of 25 students are good in Mathematics. How many are not good in Mathematics?
72% of 25 are good in Mathematics.
∴ (100 - 72)% of 25 students are not good in Mathematics.
or 28% of 25 students are not good in Mathematics
A football team won 10 matches out of the total number of matches they played. If their win percentage was 40, then how many matches did they play in all?