Find the unknown entries a,b,c,d,e and f in the following distribution of heights of students in a class

Question

Philoid · Accepted Answer

On comparing last two tables, we get

a = 12

∴ 12 + b = 25

⇒ b = 25 - 12 = 13

22 + b = c

⇒ c = 22 + 13 = 35

22 + b + d = 43

⇒ 22 + 13 + d = 43

⇒ d = 43 - 35 = 8

and 22 + b + d + e = 48

⇒ 22 + 13 + 8 + e = 48

⇒ e = 48 - 43 = 5

and 24 + b + d + e = f

⇒ 24 + 13 + 8 + 5 = f

∴ f = 50