List of practice Questions

Empirical relation between Mean, Median and Mode is

What is the median of 47, 52, 57, 62, 67, 72, 77, 78 ?

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

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

Two events \(E_1\) and \(E_2\) are mutually exclusive then \(E_1∩E_2 =\)

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

If no value of an ungrouped data is repeated, then which of the following cannot be determined?

The price of the fifteen shares in rupees are as follows:
46, 25, 11, 73, 73, 59, 28, 25, 73, 30, 25, 8, 25, 80, 25.
What is the Mode of the price?

If \(\sec \theta = \frac{2}{\sqrt{3}}\),then \(cosθ=\)

The value of \(\frac{\cot 45^\circ}{\sin 30^\circ + \cos 60^\circ}\) is

Which parts of the eye controls the intensity of light, while entering into the eye?

According to Ohm's law relation between potential difference (V) and current (I) is

If area of cross section of a wire increases, while temperature and length are constant, then resistance of the wire

Least distance of distinct vision is____

When white light is incident on a glass prism, the least deviated colour is

Which of the following eye defect is age related ?

Sensation of vision in the retina is carried to the brain by

Unit of Magnetic flux is

Choose correct option regarding magnetic lines of force

Which of the following converts mechanical energy into electrical energy?

The gas liberated when metallic sodium reacts with ethanol

General formula of alkynes

Which one of the following pair belongs to same homologous series?

How many molecules of hydrogen are present in 10 g of hydrogen ?

Identify the correct ascending order of energies of forbitals.