Ratios

Chapter 12 Class 6 Ratio and Proportion
Concept wise

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### Transcript

Ex 12.1, 10 In a college, out of 4320 students, 2300 are girls. Find the ratio of (a) Number of girls to the total number of students. Ratio = (ππ’ππππ ππ πππππ )/(πππ‘ππ ππ’ππππ ππ π π‘π’ππππ‘π ) = 2300/4320 Cancelling 0s = 230/432 = 115/216 β΄ Required ratio is 115 : 216 Ex 12.1, 10 In a college, out of 4320 students, 2300 are girls. Find the ratio of (b) Number of boys to the number of girls Total number of students = 4320 Number of girls = 2300 Number of boys = Total number of students β Number of girls = 4320 β 2300 = 2020 Ratio = (ππ’ππππ ππ πππ¦π )/(ππ’ππππ ππ πππππ ) = 2020/2300 Cancelling 0s = 202/230 = 101/115 β΄ Required ratio is 101 : 115 Ex 12.1, 10 In a college, out of 4320 students, 2300 are girls. Find the ratio of (c) Number of boys to the total number of students Ratio = (ππ’ππππ ππ πππ¦π )/(πππ‘ππ ππ’ππππ ππ π π‘π’ππππ‘π ) = 2020/4320 Cancelling 0s = 202/432 = 101/216 β΄ Required ratio is 101 : 216