Question

When 30% of one number is subtracted from anothe
number, the second number reduces to its four-fifts
What is the ratio of the first to the second number

(a) 2:5
(b) 3:2
(c) 4:7
(d) Cannot be determinat
(e) None of these
​

Answer 1

Answer:

sorry don't know the Answer of the question I think it is option a