Question 4 - Figure it out - Page 176, 177 - Chapter 7 Class 8 - Proportional Reasoning-1(Ganita Prakash)

Transcript

Question 4 A crane of height 155 cm has its neck and the rest of its body in the ratio 4 : 6. For your height, if your neck and the rest of the body also had this ratio, how tall would your neck be?Given ratio of Neck to Rest of Body is 4 : 6 Now, Total parts =4+6=10. This means the neck is 𝟒/𝟏𝟎 of the total height. How to calculate it for your height. Since I don't know your exact height, here is the formula you should use: Your Neck Height = Your Total Height ×𝟒/𝟏𝟎 Example: If you are 𝟏𝟓𝟎" " 𝐜𝐦 tall: Neck Height = 150 × 𝟒/𝟏𝟎 = 15 × 4 = 60 cm