List of top Questions asked in Andhra Pradesh Polytechnic Common Entrance Test

If the centroid of a triangle formed by the points \((a,b), (b, c)\) and \((c,a)\) is at the origin, then \(a^3+b^3+c^3 =\)

If a sin 45°= b cosec 30°, then the value of \(\frac {a^4}{b^4}\) is

If the slope of the line joining the points (4,2) and (3,-k) is -2, then the value of k is

The ratio of the sum and product of the roots of the quadratic equation \(7x^2-12x+18=0\) is

If 25 cm each is the object and image distances due to convex lens, then its focal length is

The number of degenerate orbitals present in 4d subshell is

The modal class of the following frequency distribution is

Class Interval	0-20	20-40	40-60	60-80	80-100
Number of Students	15	18	21	29	17

The average of the observations 10, 20, 65, 102, 108, 115 is

An element \(_{13}X^{27}\) forms ionic compound. What is the charge on \(X\) in ionic compound:

An increase in magnetic flux through a coil of 100 turns in 0.1 s is 0.001 Wb. The maximum induced EMF generated in the coil is

In the given figure, PA and PB are the tangents to the circle with centre at O. If ∠APB = 36°, then ∠AOB =

If the area of a rectangle is \(112\ m^2\) and its length is \(6\ m\) more than the breadth, then the breadth of the rectangle is

In \(△ABC\), \(DE || BC\), \(\frac {AD}{DB}=\frac 35\) and \(AC=5.6\) cm, then \(AE =\)\(?\)

If △Φ and △t are the change in magnetic flux and time respectively, then the induced EMF is

The phenomenon of electromagnetic induction involves the process of

If \(sinα+sinβ+sinγ=3\), then \(cosα+cosβ+cosγ =\)

40 g of water at 40°C is added to 10 g of water at 80°C. The final temperature of the mixture is 40°C

If the volume of a cylinder is 500 m³ and the area of its base is 25 m², then its height (in m) is

If \(2\) is a root of the equation \(x^2-px+q=0\) and \(p^2=4q\), then the other root is

The C.G.S. unit of heat energy is

The stars appear twinkling. The principle involved in it is

In what ratio, Y-axis divides the line segment joining the points P(-4, 2) and Q(8, 3)?

The area of the shaded region in the given figure is

For a normal human-eye, 2.5 cm is the distance between

Pick the correct answer from the following two statements :

1. Ohm's law is applicable to semiconductors.
2. Ohm's law is applicable to metallic conductors.