Question

{B} Using the unitary method, find the simple interest on

1) 1000 for 4 years at 7% per annum.
2) 800 for 3 years at 8% per annum.
3) 2500 for 5 years at 10% per annum.
4) 600 for 2 years at 9% per annum.

please ans step by step​

Answer 1

1)280

2)192

3)1250

4)108

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Answer 2

Answer:

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Step-by-step explanation:

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