PYQ Vault
EbooksTutor

Day 309: NDA Maths

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

  1. Question 1

    Statistics. Asked once: NDA 1 2022

    102
    The frequency curve (assuming unimodal) corresponding to the data obtained in an experiment is skewed to the left. What conclusion can be drawn from the curve?

    Tap an option to check your answer.

  2. Question 2

    Trigonometric Equations. Asked once: NDA 1 2020

    24
    A and B are positive acute angles such that cos⁡2B=3sin⁡2A\cos 2B = 3\sin^2 A and 3sin⁡2A=2sin⁡2B3\sin 2A = 2\sin 2B. What is the value of (A+2B)(A+2B)?

    Tap an option to check your answer.

  3. Question 3

    Trigonometric Identities. Asked once: NDA 2 2023

    30
    If tan⁡α=17, sin⁡β=110; 0<α,β<π2\tan\alpha=\frac{1}{7},\ \sin\beta=\frac{1}{\sqrt{10}};\ 0<\alpha,\beta<\frac{\pi}{2}, then what is the value of cos⁡(α+2β)\cos(\alpha+2\beta)?

    Tap an option to check your answer.

  4. Question 4

    Vectors. Asked once: NDA 1 2024

    68
    Consider the following in respect of moment of a force: (A) The moment of force about a point is independent of point of application of force. (B) The moment of a force about a line is a vector quantity. Which of the statements given above is/are correct?

    Tap an option to check your answer.

  5. Question 5

    3D Geometry. Asked once: NDA 2 2018

    58
    The line x−12=y−23=z−34\frac{x-1}{2}=\frac{y-2}{3}=\frac{z-3}{4} is given by

    Tap an option to check your answer.