If $A(cos\alpha, sin\alpha)$, $B(sin\alpha, -cos\alpha)$, C(1,2) are the vertices of a $\Delta ABC$, then as $\alpha$ varies, the the locus of its centroid is,
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Let R be the set of real numbers. If $f:R \to R$ is a function defined by $f(x)=x^2$. then $f$ is
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The range of $cos(logf(x))=cos(log_e{x})$ is
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A random variable X has the following Probability Mass Function: X 012 P[X=x]$q^2$ $2pq$ …
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For a binomial distribution. The number of trials is 5 and P(X=4)=P(X=3), then P(X>2) is
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The number of irrational terms in the expansion of $(5^{\frac{1}{6}}+2^{\frac{1}{8}})$ is
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The curved surface area of a glass having radii 3cm and 4cm respectively and slant height 10cm is
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Let AB be a chord of a circle $x^2+y^2 = r^2$ subtending a right angle at the centre. Then, the locus of the centroid o…
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A cylinder of radius 12cm contains water to a depth of 20cm. A spherical iron ball is dropped into the cylinder and thu…
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A and B can complete a work in 12 days, B and C complete a work in 15 days and C and A can complete a work in 20 days. …
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Sham purchased a Maruti van for Rs. 1,96,000 Rate of fall of price per year of this van is $14 \frac{2}{7}%$. What will…
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The range of the function $f(x)-\frac{x+2}{|x+2|}, x\ne2$ is
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The points (a: b) , (c, d) and $\frac{kc+la}{k+l}$,$\frac{kd+lb}{k+l}$ are
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A right circular cone with radius R and height H contains a liquid which evaporates at a rate proportional to its surfa…
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The following polynomial has integer roots $x^3 + 30x^2 -7377x + 14626 = 0$. Find the value of the largest root.
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A car covers 15 km, 20 km, 30 km and 12 km at speeds of 20 km/hr, 30 km/hr, 40 km/hr and 30 km/hr respectively The aver…
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A 140 m long train crosses a platform in 30 seconds at a speed of 36 km/h. What is the length of the platform?
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The domain of the function $log f(x)=\sqrt{log_{10} \frac{log_{10} x}{2(3-log_{10} x)}}$
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