(a) 23/20 (b) 11/30 (c) 7/10 (d) None of these Solution: The probability that Amar will win the tournament is... View Article
(a) 109 (b) 118 (c) 119 (d) None of these Solution: The number of possible ways of putting 5 letters... View Article
(a) (9, 10) (b) (10, 9) (c) (7, 10) (d) (10, 7) Solution: (2/9!) + (2/3! 7! ) + (1/5!5!)... View Article
The horizontal range of an oblique projectile is four times the maximum height attained by the projectile. The angle of... View Article
Two poles of height 6m and 11m stand on a plane ground if the distance between the feet is 12m.... View Article
A coin is placed in a beaker filled with water up to a height of 12 cm. It is viewed... View Article
50 g of water at 20ºC is mixed with 50 g of water at 40ºC. The temperature of the mixture... View Article
The current through an inductor of 1H is given by i = 3t sin t. The voltage across the inductor... View Article
A cylindrical copper rod is reformed to twice its original length. The resistance between its ends before the change was... View Article
An electric dipole is placed at the centre of an imaginary sphere. Which of the following option is/are correct? a)... View Article
It is possible to project a body with a given speed in two possible ways so that it has the... View Article
An alpha particle and a deuteron enter a region of the magnetic field which is perpendicular to the velocity. If... View Article
A shower of protons from outer space deposits equal charges q on the earth and the moon and the electrostatic... View Article
The angle of incidence from air to glass at point “O” on the hemispherical glass slab is (a) 45° (b)... View Article
Two forces with magnitude 10 dynes each are acting as shown in the diagram, then their resultant magnitude is (a)... View Article
Find the magnitude and the direction of induced emf in the loop, if the magnetic field is changing as B... View Article
A particle moves in a circle with a constant speed of 10 m/s. the magnitude of change in the velocity... View Article
In a closed circuit, the electric current at any instant of time t (in s) is given by an equation... View Article
A ray of light is travelling from glass to air. Refractive index of glass is 3/2. If the angle of... View Article
The angle of incidence from air to glass at the point o on the hemispherical glass slab is (a) 180... View Article
