Question

in what time will the simple interest on rupees 400 at 10% per annum will be the same as simple interest on rupees thousand for 4 years at 4% per annum

Answer 1

Answer:

4 years

Step-by-step explanation:

Principle 1 = ₹400, Rate 1 = 10% p.a., Principle 2 = ₹1,000, Time = 4 years, Rate 2 = 4% p.a.

Simple Interest =  Principle 2 * Rate 2 * Time 2 /100

                         = 1000*4*4/100

                         = 160 Rs.

The simple interest 1 is equal to the simple interest 2.

Therefore:-

 160       = Principle 1 * Rate 1 * Time 1 /100

 160       = 400*10*Time 1/100

 160/40 = Time 1

 4           = Time 1

Answer 2

Answer:

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