Maths-
General
Easy
Question
If two cards are drawn from a well shuffled pack of 52 playing cards, the probability that there will be at least one club card is
The correct answer is:
Required probability 
—probability that there will be no club card 
Related Questions to study
Maths-
Two symmetrical dice are thrown The probability of getting a sum of 6 points is
Two symmetrical dice are thrown The probability of getting a sum of 6 points is
Maths-General
Physics-
Two charges 
and 
kept 2.4 
apart forms a dipole. If it is kept in uniform electric field of intensity 
then what will be its electrical energy in equilibrium
Two charges and kept 2.4 apart forms a dipole. If it is kept in uniform electric field of intensity then what will be its electrical energy in equilibrium
Physics-General
Physics-
Two electric dipoles of moment P and 64 P are placed in opposite direction on a line at a distance of 25 cm. The electric field will be zero at point between the dipoles whose distance from the dipole of moment P is
Two electric dipoles of moment P and 64 P are placed in opposite direction on a line at a distance of 25 cm. The electric field will be zero at point between the dipoles whose distance from the dipole of moment P is
Physics-General
Maths-
If A and 
are two independent events in a sample space 
then 
If A and are two independent events in a sample space then
Maths-General
Maths-
The probability of an impossible event is
The probability of an impossible event is
Maths-General
Physics-
An electric dipole in a uniform electric field experiences (When it is placed at an angle 
with the field)
An electric dipole in a uniform electric field experiences (When it is placed at an angle with the field)
Physics-General
Physics-
An electron and a proton are at a distance of 
. The moment of this dipole will be (C 
m)
An electron and a proton are at a distance of . The moment of this dipole will be (C m)
Physics-General
Physics-
The distance between the two charges +q and -q of a dipole is r. On the axial line at a distance d from the centre of dipole, the intensity is proportional to
The distance between the two charges +q and -q of a dipole is r. On the axial line at a distance d from the centre of dipole, the intensity is proportional to
Physics-General
Physics-
In the following diagram the work done in moving a point charge from point P to point A, B and C is respectively as WA, WB and WC , then
In the following diagram the work done in moving a point charge from point P to point A, B and C is respectively as WA, WB and WC , then
Physics-General
Physics-
Four point +ve charges of same magnitude (Q) are placed at four corners of a rigid square frame as shown in figure. The plane of the frame is perpendicular to Z ̶axis. If a –ve point charge is placed at a distance z away from the above frame (z<<L) then
Four point +ve charges of same magnitude (Q) are placed at four corners of a rigid square frame as shown in figure. The plane of the frame is perpendicular to Z ̶axis. If a –ve point charge is placed at a distance z away from the above frame (z<<L) then
Physics-General
Physics-
A charged ball B hangs from a silk thread S, which makes an angle with a large charged conducting sheet P, as shown in the figure. The surface charge density 
of the sheet is proportional to
A charged ball B hangs from a silk thread S, which makes an angle with a large charged conducting sheet P, as shown in the figure. The surface charge density of the sheet is proportional to
Physics-General
Physics-
To charges 
and 
are placed 
apart, shown in the figure. A third charge 
is moved along the arc of a circle of radius 40cm from C to D. The change in the potential energy of the system is 
, where k is
To charges and are placed apart, shown in the figure. A third charge is moved along the arc of a circle of radius 40cm from C to D. The change in the potential energy of the system is , where k is
Physics-General
Physics-
As per this diagram a point charge +q is placed at the origin O. Work done in taking another point charge -Q from the point 
[co-ordinates (0,a)] to another point B [co-ordinates (a, 0)] along the straight path AB is
As per this diagram a point charge +q is placed at the origin O. Work done in taking another point charge -Q from the point [co-ordinates (0,a)] to another point B [co-ordinates (a, 0)] along the straight path AB is
Physics-General
Physics-
Figure shows three points A, B and C in a region of uniform electric field 
. The line AB is perpendicular and BC is parallel to the field lines. Then which of the following holds good. Where 
and 
represent the electric potential at points A, B and C respectively
Figure shows three points A, B and C in a region of uniform electric field . The line AB is perpendicular and BC is parallel to the field lines. Then which of the following holds good. Where and represent the electric potential at points A, B and C respectively
Physics-General
Physics-
The points resembling equal potentials are
The points resembling equal potentials are
Physics-General
