Question

14
10. A number consists of two digits whose sum is 9. If 45 is subtracted from the number its digits are
interchanged. Find the number
​

Answer 1

Explanation:

P=7200

R=15%

T=4.5

I=PTR/100

=7200×4.5×15/100

=4860

Amount=7200+4860

=12060