Question

14.)
Rupees 4,000 amount to 5,000 in 8 years;
in what time will * 2,100 amount to 2,800 at
the same rate ?​

Answer 1

Step-by-step explanation:

first case ,I =1000₹

1000=4000×r×8/100

r= 1000×100/4000×8

r=3.125%

now,

700=2100×3.125×t/100

t=700×100/2100×3.125

t=10.67