यदि A:B = 𝟑:𝟒, B:C = 𝟓:𝟕 तथा C:D = 8:9 हो, तो A:D = ?

  • 1

    3:7

  • 2

    7:3 

  • 3

    10:21 

  • 4

    21:10

Answer:- 3

Post your Comments

Your comments will be displayed only after manual approval.

Test
Classes
E-Book