UPSC CDS I 2019 Math Paper
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Question : 6 of 100
Marks:
+1,
-0
Priya ’s age was cube of an integral number (different from 1) four years ago and square of an integral number after four years. How long should she wait so that her age becomes square of a number in the previous year and cube of anumber in the next year ?
[2019 CDS-I]
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