Question

In what time will be simple interest on rupees 400 at 10% per annum be the same as the simple interest on rupees 10000 for 4 year at 4% per annum?
$(1)3year \\ (2)4year \\ (3)5year \\ (4)6year \\ please \: explain \: it \: and \: answer \: this$
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Answer 1

Answer:

3 years

Step-by-step explanation:

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Answer 2

Answer:

SI=

100

P×t×r

P=400,r=6,t=3

∴SI=

100

400×6×3

=72