>
TS POLYCET
List of top Questions asked in TS POLYCET
A circle with centre 'O', 'P' is a point outside the circle and PA and PB are two tangents to the circle at the point of contacts 'A' and 'B' from 'P'. If the length of PA 10 cm, then the length of PB =
TS POLYCET - 2023
TS POLYCET
Mathematics
Circles
What are the inter connected food chains called ?
TS POLYCET - 2023
TS POLYCET
Biology
The food chain
Distance between the points (4,-8), (5,-2) is
TS POLYCET - 2023
TS POLYCET
Mathematics
Collinearity of points
What is the focal length of double concave lens kept in air with two spherical surfaces radii R
1
= 20 cm and R
2
= 40 cm. Take refractive index of lens n =
\(\frac{5}{3}\)
TS POLYCET - 2023
TS POLYCET
Physics
Refraction of Light
In the figure, if AP and AQ are the two tangents to a circle with centre 'O' so that
\(∠OQP=15°\)
, then
\(∠QAP=\)
TS POLYCET - 2023
TS POLYCET
Mathematics
Tangent to a Circle
If A= {P,O,L,Y,T,E,C,H,N, I} and B = {E, X, A, M}, then
\(A∩B =\)
TS POLYCET - 2023
TS POLYCET
Mathematics
Operations on Sets
If the refracted rays from a convex lens are travelling parallel to the principal axis, then image distance is
TS POLYCET - 2023
TS POLYCET
Physics
Refraction of Light
\(\sqrt{2}+\sqrt{3}\)
is
TS POLYCET - 2023
TS POLYCET
Mathematics
Irrational Numbers
Product of zeroes of polynomial
\(5x^2-1\)
is
TS POLYCET - 2023
TS POLYCET
Mathematics
Polynomials
(x+a) is a factor of f(x), if
TS POLYCET - 2023
TS POLYCET
Mathematics
Factorisation
Among
\(\frac{1}{2}, \frac{1}{3}, \frac{1}{4}, \frac{1}{5}\)
the non-terminating decimal is
TS POLYCET - 2023
TS POLYCET
Mathematics
Real Numbers and their Decimal Expansions
The line x=7 is_____
TS POLYCET - 2023
TS POLYCET
Mathematics
Equation of a Line
If the roots of the quadratic equation
\(px^2+qx+r=0\)
, are equal, then
\(q^2 =\)
TS POLYCET - 2023
TS POLYCET
Mathematics
Quadratic Equations
The sum of roots of the quadratic equation
\(3x^2-6x+1=0\)
is
TS POLYCET - 2023
TS POLYCET
Mathematics
Quadratic Equations
If ax+b=0, then x =
TS POLYCET - 2023
TS POLYCET
Mathematics
Quadratic Equations
The two lines 2x+3y=7, 8x+12y=1 are____lines
TS POLYCET - 2023
TS POLYCET
Mathematics
Equation of a Line
If three points (8, 1), (k,-4) and (2,-5) are collinear, then k=
TS POLYCET - 2023
TS POLYCET
Mathematics
Collinearity of points
In a trapezium ABCD with
\(AB || DC\)
and diagonals intersect each other at the point 'O'. If
\(AB=2CD\)
, then the ratio of areas of triangles COD and AOB is
TS POLYCET - 2023
TS POLYCET
Mathematics
Area of a Triangle - by Heron’s Formula
\(\triangle ABC \sim \triangle DEF\)
and their areas are respectively
\(81 \text{ cm}^2 \quad \text{and} \quad 225 \text{ cm}^2\)
; if
\(EF = 5 cm\)
, then
\(BC=\)
TS POLYCET - 2023
TS POLYCET
Mathematics
Triangles
Empirical relation between Mean, Median and Mode is
TS POLYCET - 2023
TS POLYCET
Mathematics
Mean and Variance of Random variables
What is the median of 47, 52, 57, 62, 67, 72, 77, 78 ?
TS POLYCET - 2023
TS POLYCET
Mathematics
Mean and Variance of Random variables
The angle of elevation of top of the cliff from a point 300 m from its foot is 600. Then the height of the cliff is
TS POLYCET - 2023
TS POLYCET
Mathematics
Lines and Angles
A person is flying a kite at a height of 30 m from the horizontal level. The length of string from the kite to the person is 60 m. Assuming that here is no slack in the string, the angle of elevation of kite to the horizontal level is
TS POLYCET - 2023
TS POLYCET
Mathematics
Lines and Angles
Two events
\(E_1\)
and
\(E_2\)
are mutually exclusive then
\(E_1∩E_2 =\)
TS POLYCET - 2023
TS POLYCET
Mathematics
Chance and Probability
Find the missing value of "p" from the following table when Arithmetic Mean is 3.55.
X
1
2
3
4
5
6
F
8
9
p
16
9
8
TS POLYCET - 2023
TS POLYCET
Mathematics
Arithmetic Mean
Prev
1
...
11
12
13
14
15
...
36
Next