In what time will the simple interest be 2/5 of the principal at 8 percent per annum?
1893 05ef5b6bddc58d02c6fe6afe4The simple interest on ₹ 4,000 in 3 years at the rate of x % per annum equals the simple interest on ₹ 5,000 at the rate of 12% per annum in 2 years. The value of x is
1050 05dd634a4db51363c0239468e