NDA Math Mock Test 02

Question: Variance is always independent of the change of: प्रसरण (Variance) सदैव किसके परिवर्तन से स्वतंत्र होता है? Options: both

Question: The mean of the first 10 multiples of 6 is 6 के प्रथम 10 गुणजों का माध्य क्या है?

Question: The cumulative frequency of the largest observed value must always be: महत्तम प्रेक्षित मान (largest observed value) की संचयी

Question: The empirical relation between the mode, median and mean of a distribution is: किसी बंटन के बहुलक (mode), माध्यिका

Question: The sum of the order and the degree of the differential equation \(\dfrac{d^2 y}{dx^2} + \left(\dfrac{dy}{dx}\right)^3 = \sin y\)

Question: If p and q are the order and degree of the differential equation \(y\dfrac{dy}{dx} + x^3\dfrac{d^2y}{dx^2} + xy =

Question: Solution of \(\dfrac{dy}{dx} – y = 1\), y(0) = 1 is given by \(\dfrac{dy}{dx} – y = 1\), y(0)

Question: What is integrating factor of \(\dfrac{dy}{dx} + y\sec x = \tan x\)? \(\dfrac{dy}{dx} + y\sec x = \tan x\)

Question: Solution of differential equation xdy − ydx = 0 represents: अवकल समीकरण xdy − ydx = 0 का हल

Question: What is the area of the region enclosed in the first quadrant by \(x^2 + y^2 = \pi^2\), y