Question

4
A person is invested Rs 800 four
years and Rs 6oo for 3 years
at the same rate and the total
interest from both the sums was
Rs 250 find the
find the rate per cent.​

Answer 1

Answer:

answe is 5

Step-by-step explanation:

Interest = PRT/100 + PRT/100

250 = 800*4 R/100 + 600*3R/100

250 = 8*4*R + 6*3*R

250 = 32R + 18R

250 = 50 R

250/50 = R

5 = rate

here R= rate

but confirm first is it simple interest

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