Question

the simple interest on rupees 600 for 4 year and simple interest on rupees 600 2 year and together equal to rupees 180 the rate of interest is​

Answer 1

Answer:

Let the rate of be R%p.a.Then,600×R×4100+600×R×2100=180⇒2400R+1200R=18000⇒3600R=18000⇒R=5%