1
NDA Mathematics 18 April 2021
MCQ (Single Correct Answer)
+2.5
-0.83
If x2, x, -8 are in AP, then which one of the following is correct?
2
NDA Mathematics 18 April 2021
MCQ (Single Correct Answer)
+2.5
-0.83
The third term of a GP is 3. What is the product of its first five terms?
3
NDA Mathematics 18 April 2021
MCQ (Single Correct Answer)
+2.5
-0.83
Let x be the HM and y be the GM of two positive numbers m and n. If 5x = 4y, then which one of the following is correct?
4
NDA Mathematics 18 April 2021
MCQ (Single Correct Answer)
+2.5
-0.83
The geometric mean of a set of observations is computed as 10. The geometric mean obtained when each observations xi is replaced by $\rm 3x_i^4$ is
Questions Asked from Sequence And Series (Marks 2.5)
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