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Delhi University MCA Previous Year Questions (PYQs)

Delhi University MCA Ratio And Proportion PYQ

Average of ten numbers in a list is 25.If one of the numbers in the list is exchanged with another number the average of the new list increases by 5. What is the new number included in the list , if the original number was 15?





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How much of acid is in the 10 liter of a 60% solution, of acid and water solution?





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Delhi University MCA

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Delhi University MCA

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