List of practice Questions

Find the differential equation of all circles which passes through the origin and having their centers on the Y-axis

If $f(x)=\frac{(4x+3)}{(6x-4)}$, $x\neq\frac{2}{3}$, show that fof(x)=x, for all $x\neq\frac{2}{3}$. What is the inverse of f?

Let f,g and h be functions from R to R. Show that (f+g)oh=foh+goh.(f.g)oh=(foh).(goh)

Find gof and fog, if

f(x)=IxI and g(x)=I5x-2I
f(x)=8x3 and g(x)=x1/3

Let R be the relation in the set N given by R = {(a, b): a = b − 2, b > 6}. Choose the correct answer. (A) (2, 4) ∈ R (B) (3, 8) ∈R (C) (6, 8) ∈R (D) (8, 7) ∈ R

Radius of the first orbit in H-atom is a0. Then, deBroglie wavelength of electron in the third orbit is

Isopropyl alcohol on oxidation forms

Show that the relation R in R defined as R = {(a, b): a ≤ b}, is reflexive and transitive but not symmetric.

A vector is not changed if

Show that the relation R in the set {1, 2, 3} given by R = {(1, 2), (2, 1)} is symmetric but neither reflexive nor transitive.

Which of the following is not an example of linear motion

In a batch of 15 students, if the marks of 10 students who passed are 70, 50, 95, 40, 60, 70, 80, 90, 75, 80 then the median marks of all the 15 students is:

Choose the box that is similar to the box formed from the given sheet of paper (X).

The direction ratios of the line OP are equal and the length $OP = \sqrt{3}$ . Then the coordinates of the point P are :

The cardinality of the set P(P(P($\phi$))) is [P(A) represents power set of the set A]

What are decomposers?

Foods from the meat, poultry, fish dry beans, eggs and nuts group are an important source of _______.

Right aortic arch is found in ___________.

Which of the following mutations is the most common type of mutation?

___________ is located between two pleural sacs and is the central compartment of the thoracic cavity.

For the manufacturing process of standard pasteurized milk, lactose is added to whole milk and sugar to: