ICSE Class 6 Answered
find x, if 5 : 10 :: 40 : x.
Asked by rajinder.rs758 | 16 Sep, 2018, 03:48: PM
5 : 10 :: 40 : x means
5 upon 10 equals 40 upon x
i.e. 

=> 5x = 400 (on cross multiplication)
This gives, x = 80.
Answered by | 16 Sep, 2018, 05:19: PM
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