if at simple interest a sum doubles after 12 yrs what is the rate of interest per annum ?
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Answer:
12+12=24 is the answers
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Answer:
8.33%
Step-by-step explanation:
suppose sum is 100 unit and after 12 years its become 200 unit
now interest is 100 unit also and its 12 years interest so 1 year interest is 100/12 = 8.33.. and its on 100 unit so its also rate of interest.
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