Question

in what time will rupees 64000 amount to Rupees 68921 at 5% per annum interest being payable of half-yearly​

Answer 1

A-P= SI
68921-64000= SI
4921= SI
We know that
SI= prt/100
4921= (64000 x 5 x t)/100
4921 x 100/ 64000 x 5= t
4921/ 640 x 5= t
4921/ 3200= t
1.5 years= t