Question

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
Convert the following ratios to percentages.
(a) 3:4
(b) 2:3
72% of 25 students are interested in mathematics. How many are not interested
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?
If Chameli had 3 600 left after spending 75% of her money, how much did she have
in the beginning?​

Answer 1

Answer:

a) speed of cycle 1 = 15 km/hr

speed of cycle 2 = 30 km/hr

Answer 2

Step-by-step explanation:

chameli left amount =3600

total amount=75/100*x+3600

x=3/4x+3600

x-3/4x=3600

4x-3x/4=3600

x/4=3600

x=3600*4

x=14400