in what time will the simple interest on rupees 400 at 10% per annum be the same as the simple interest on rupees 1000 for 4years at 4% per annum
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Answer:SI=prt/100
400×10×t/100=1000×4×4/100
40t=40×4
t=40×4/40
t=4
Pls mark me the brainliest
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