The mean and standard deviation of marks obtained by 50 students of a cl ass i n
three subjects physics, mathematics and chemistry are as follows:
Which of the subjects show the highest and lowest variabilities respectively?
Previous 10 Questions — JAMIA MILLIA ISLAMIA MCA 2020
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Three balls are drawn from a bag containing 2 red and 5 black balls.
If the random variable $X$ represents the number…
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The distance of the point $(2, 5, 7)$ from the x-axis is……
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If $|\alpha^2| = 4$ and $-3 \le \lambda \le 2$, then the range of $|\lambda \alpha^2|$ is……
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The curves $y = ae^{-x}$ and $y = be^{x}$ are orthogonal if…….
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The equation of the normal to the curve $y = \sin x$ at $(0, 0)$ is…….
Topic: JAMIA MILLIA ISLAMIA MCA 2020
$\displaystyle \int_{\frac{3\pi}{4}}^{\frac{7\pi}{4}} \dfrac{\sin x + \cos x}{\sqrt{1 + \sin 2x}} \, dx$ is equal to
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The area of the region bounded by the curve $y = \dfrac{1}{x}$, the x-axis, and between $x = 1$ to $x = 6$ is …… sq uni…
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The area bounded by the curve $y = \sin x$ and the x-axis between $x = 0$ and $x = 2\pi$ is …… sq units.
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The order of the differential equation corresponding to the family of curves
$y = c(x - c)^2$, where $c$ is a constan…
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The differential equation $2 \dfrac{dy}{dx} + x^2 y = 2x + 3, \, y(0) = 5$ will be…….
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Next 10 Questions — JAMIA MILLIA ISLAMIA MCA 2020
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A black and a red die are rolled together. What is the conditional probability of obtaining the sum $8$, given that the…
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What will be the mean and variance for the first $n$ natural numbers?
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The mean and standard deviation (SD) of marks of 50 students are:
Subject — Mathematics: Mean 42, SD 12
Subject — Phys…
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What will be the limiting value of $f(x)=|x|-5$ when $x \to 5$?
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The distance between $P(x_1,y_1)$ and $Q(x_2,y_2)$ is given by $|x_2-x_1|$ when $PQ$ is …
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What is the value of $x$ for which the points $(x,-1)$, $(2,1)$ and $(4,5)$ are collinear?
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For which value of $k$, the line $(k-3)x-(4-k^2)y+k^2-7k+6=0$ will be parallel to the $x$-axis?
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What will be the value of $(102)^5$?
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What will be an approximation of $(0.99)^5$ using the first three terms of expansion?
Topic: JAMIA MILLIA ISLAMIA MCA 2020
What will be an approximation of $(0.99)^5$ using the first three terms of expansion?
Topic: JAMIA MILLIA ISLAMIA MCA 2020
