English

If M : N = 4 : 9 and N : S : 3 : 7, Find M : S - Mathematics

Advertisements
Advertisements

Question

If m : n = 4 : 9 and n : s : 3 : 7, find m : s

Sum
Advertisements

Solution

m : n = 4 : 9

`"m"/"n" = 4/9`

and n : s : 3 : 7

∴ `"n"/"s" = 3/7`

∴ `"m"/"n" xx "n"/"s" = 4/9 xx 3/7`

`"m"  :  "s" = 4 : 21`

shaalaa.com
  Is there an error in this question or solution?
Chapter 6: Ratio and Proportion (Including Sharing in a Ratio) - Exercise 6 (B)

APPEARS IN

Selina Concise Mathematics [English] Class 7 ICSE
Chapter 6 Ratio and Proportion (Including Sharing in a Ratio)
Exercise 6 (B) | Q 5.3
Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×