Question

5.
A certain sum becomes 20,720 in four years and
524,080 in six years at simple interest. Find the sum
and rate of interest.
(A) 12,000; 12% p.a. (B) 14,000; 12% p.a.
(C) 12,000; 15% p.a. (D) 14,000; 15% p.a.​

Answer 1

Answer:

B) 14000; 12% p.a

Step-by-step explanation:

14000*12*4=6720 is s.i of 4 year

then 6720+14000=20720