Question

7. A person gave 20% of his income to his elder son, 30% of the remaining to the younger son and donated 10%
of the balance amount to a trust. If he is left with 510080, what was his income?
(a) 50,000
(b) 40,000
(c) 30,000
(d) 20,000

=please solve with whole calculation ​

Answer 1

Answer:

Please refer the attachment above...

Hope this helps!