Question

Find the cost to galvanize a tank in US dollar given that the exchange rate £1 = Rs150 and $ 60 = £ 40 if the cost is Rs 5000.

Answer 1

Answer:

A/C to question

£1=Rs 150

Rs5000 = x $ say

$60=£40

Using Chain Rule

30*x*150=1*5000*60

By solving we get x=50

So required answer is 50$