maths Maths Puzzle Logical Reasoning Mathematical Reasoning

A person invested 2/3 rd of his capital at 3%, (1/6) th at 6% and the reminder at 12%. If his annual income is take 25 then the capital is?

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50 minute ago it was 45 minute past 4 o'clock. How many minute is it until 6 o'clock ? If we consider the permutation of 7 numbers the what is the order of (1457)(236)