List of practice Questions

If sin θ=\(\frac{8}{17}\), then tan θ+secθ = 
In how many years, a sum of money becomes 4 \(\frac{2}{3}\) times of itself at a simple interest of 5 \(\frac{1}{2}\) % per annum?
A sells an umbrella to B at a loss of 20%, B sells it to C at a loss of 10% and finally C sells it to D at a loss of 5%. If D bought that umbrella at 342, at what cost had A bought it?
When a bullet is fired from a gun, the gun recoils backward. This phenomenon is an example of
Which of the following statements are true for "Sound" ?
Which of the following physical quantities is (are ) vector(s) ?
log4 log3, log2 x = 1, then x =
If a2 + b2 = 14ab, then log (\(\frac{a+b}{4}\))=
The magnetic field lines due to an ordinary bar magnet
Bauxite is an ore of which of the following metals?
The fluid part of blood is known as
A boy throws a ball straight up at a velocity 10 m/s and catches it when it returns. What will be the velocity of the ball just before the boy catches it?
Which one of the following is the dimension of power ?
Velocity-time graph
Velocity-time graph of a body is given. Which of the following statements are true?
Regarding covalent and electrovalent compounds which of the following statements are true?
Domestic microwave cooking uses
The pH value of 10 g of pure water was found to be 7. Then what will be the pH value of 1g of same water ?
A train track is laid with 100 m pieces of steel rails. If coefficient of linear expansion of steel is 11 x 10-6, what must be the minimum gap between two pieces of rails so that the train can run safely between 0°C and 50°C ?
The resistance of a piece of metal wire is R. On which of the following parameters of the wire or its material, the value of R does not depend upon ?
A boy starts running with a speed of 1 m / s from a corner of a square of sides 20m along its periphery. What will be his displacement after 35 second ?
What is the volume of 2 g of oxygen at normal pressure and temperature ?
In industrial production of ammonia from nitrogen and hydrogen gases, a mixture of potassium oxide and aluminium oxide is used for the purpose of:
The speed of light in vacuum is
In human body, blood is cleaned by
Diamond is an allotropic form of