PYQ Vault

Day 313: NDA Maths

5 questions. Try each one first, then open its answer.

  1. Question 1

    Properties of Triangle. Asked once: NDA 1 2021

    26
    What is the interior angle of a regular octagon of side length 2 cm?

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  2. Question 2

    Quadratic Equations. Asked once: NDA 1 2024

    33
    If x2+mx+nx^2+mx+n is an integer for all integral values of xx, then which of the following is/are correct? (A) mm must be an integer. (B) nn must be an integer. Select the correct answer using the code given below:

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  3. Question 3

    Sequence & Series. Asked once: NDA 1 2022

    104
    What is the arithmetic mean of 50 terms of an AP with first term 4 and common difference 4?

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  4. Question 4

    Statistics. Asked once: NDA 2 2021

    113
    If gg is the geometric mean of 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, then which one of the following is correct?

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  5. Question 5

    Trigonometric Equations. Asked once: NDA 1 2020

    40
    If sin⁡x+sin⁡y=cos⁡y−cos⁡x\sin x+\sin y=\cos y-\cos x, where 0<y<x<π20<y<x<\frac{\pi}{2}, then what is tan⁡(x−y2)\tan\left(\frac{x-y}{2}\right) equal to?

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