Question

The third proportional of 1 hr 20 minutes, lhr 40 minutes is 2 hrs​

Answer 1

Ratio =2:3

let the terms be 2x and 3x

given,

2x + 3x= 1hr

5x = 60 minutes

x=60/5 minutes

x= 12 minutes

Therefore , 2x = 2×12=24 minutes

3x = 3×12=36 minutes

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