Question

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(a) Find the rate of interest if a sum of money gets doubled in 16 years​

Answer 1

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The money doubles itself, it means 100% money is added.

The money doubles itself, it means 100% money is added.So,

The money doubles itself, it means 100% money is added.So, Interest × Time = 100%

The money doubles itself, it means 100% money is added.So, Interest × Time = 100%Interest × 16 = 100

The money doubles itself, it means 100% money is added.So, Interest × Time = 100%Interest × 16 = 100Interest = 100/16

The money doubles itself, it means 100% money is added.So, Interest × Time = 100%Interest × 16 = 100Interest = 100/16Interest = 6.25

The money doubles itself, it means 100% money is added.So, Interest × Time = 100%Interest × 16 = 100Interest = 100/16Interest = 6.25So the simple interest is 6.25% per year.

Answer 2

Answer:

Here, interest is to become equal to the principal in 16 years.

Suppose principal =x

Then amount =2x

∴ Interest =x

R=SI*100/P*T=100*100/100*16=25/4=6 1/4%

Step-by-step explanation: