Question

6. Find the ratio of the following:-

a) 81 to 108
b) 98 to 63
c) 33 km to 121 km
d)30 minutes to 45 minutes

Answer 1

Answer:

Solution :

(a) 81108=3∗274∗27=34

(b)9863=14∗79∗7=149

(c) 33km121km=3∗1111∗11=311

(d)30min45min=2∗153∗15=23

Answer 2

Answer:

3:4

Thus, the ratio of 81 to 108 is 3:4.

14:9

Therefore, the ratio of 98 to 63 is 14:9.

3:11

Ratio of 33 km to 121 km = 33÷121 = 3÷11. So, the required ratio is 3:11.

2:3

Hint: We solve this problem by using the definition of ratios. By using the above definition we find the required ratio after converting the numbers into the same units. Therefore, we can conclude that the ratio of 30 minutes to 45 minutes is 2:3.