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

A convex lens gives a virtual image when the object is placed on the principal axis

The speed of light in vacuum is c. The speed of light in a medium of refractive index \(\frac 43\) is

A light ray bends away from normal when it travels from

If \(v_1\) and \(v_2\) are the speeds of light in the two media of refractive indices \(n_1\) and \(n_2\) respectively, then

A rectangular tank of depth 4 m is full of water of refractive index \(\frac 43\). When viewed from the top, the bottom of the tank is seen at a depth of

The pair of substances which have the same value of specific heat is

During the process of conversion from liquid to solid, the internal energy of the water

If 27 °C+x=300 K, then the value of x is

The upper limit of the median class of the following frequency distribution is

Class Interval	50-70	70-90	90-110	110-130	130-150	150-170
Number of Students	15	21	32	19	8	5

If the mode and mean of a data are 24 and 60 respectively, then the median of the data is

Formation of dew and fog is due to the process of

If the probability of guessing the correct answer to a question is \(\frac {x}{12}\) and the probability of not guessing the correct answer is \(\frac 58\), the value of \(x\) is

2 cards of hearts and 4 cards of spades are missing from a pack of 52 cards. A card is drawn at random from the remaining pack. What is the probability of getting a black card?

If 35 is removed from the data 30, 34, 35, 36, 37, 38, 39, 40, then the median increases by

Two dice are thrown at the same time. What is the probability that the sum of the two numbers appearing on the top of the dice is more than 10?

A box contains 24 balls of which x are red, 2x are white and 3x are blue. A ball is selected at random. What is the probability that the selected ball is not red?

If two towers of heights h₁, and h₂ subtend angles of 30° and 60° respectively at the midpoint of the line joining their feet, then the ratio of h₁: h₂ is

If sin² θ+ cosec² θ = 6, then sin θ + cosec θ =

A tree is broken by wind, its upper part touches the ground at a point 10 metre from the foot of the tree and makes an angle of 45° with the ground. Then what is the entire height of the tree?

If secθ+tanθ=k, then secθ-tanθ=?

If tan 48°.tan 23°.tan 42°.tan 67°=tan(A+30°), then the value of A is

In the given figure, the radius of each outer circle is a, then the radius of the inner circle is

If the length, breadth and height of a cuboid are 8 cm, 3 cm and 4 cm respectively, then the total surface area of the cuboid is

△ABC∼△DEF, the area of △ABC=9 cm² and the area of △DEF = 16 cm². If BC=2.1 cm, then EF=

In the following figure, if DE || BC, then x =