Priya and khushi invested Rs.3000 together. Priya invested her amount at compound interest for ‘x/10’ years at x% rate interest and khushi invested half of her amount at compound interest and remaining half at simple interest at the same rate of interest for the same time period. [It is given that ‘x/10’ is a natural number]

What is the value of ‘x’?

Statement I: Ratio of investment of priya and khushi is 1 : 2 respectively and total sum received by them together after a particular time at x% rate of interest is Rs. 4280.

Statement II: Simple interest received by khushi is Rs. 40 less than compound interest received by her.

Statement III: Sum of simple interest and compound interest received by khushi after a certain time at x% rate of interest is Rs. 2500

Which of the above statement is redundant to find the answer of the given question?

1
Only statement I alone
2
Only Statement II alone
3
Only Statement III alone
4
Only either statement I and II together or statement II and III together.
5
None of These

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