CAT Practice : Averages, Ratios, Mixtures

When we mix two mixtures in a particular ratio, we get a third mixture. Given the third mixture how does one find the ratio in which they were mixed.


    Q.29: Ram borrows Rs 4000 on simple interest from Shyam for a period of 4 years. He borrows a portion of amount at 2% interest and the remaining at 5%. If the interest Shyam earns is Rs 480, How much money did Ram borrow t 2% interest rate?


  • Correct Answer
    Choice A.

Detailed Solution

Interest earned per year = Rs = Rs 120
Therefore, % earned per year = = 3%

So, amount invested in 2% =

Correct Answer:

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