UPSC NDA 2 2016 Mathematics Solved Paper
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Consider the following for the next three (03) items that follow:
Let a,x,y,z,b be in A.P,wherex + y + z = 15 p − 1 + q − 1 + r − 1 =
Let a,x,y,z,b be in A.P,where
[NDA II 2016]
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What is the value of ab?
[NDA II 2016]
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