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General
Easy
Question
are three non zero real numbers such that
The correct answer is:
Related Questions to study
Maths-
When 10 is subtracted from all the observations, the mean is reduced to 60% of its value. If 5 is added to all the observations, then the mean will be
Hence, the new mean is 30.
When 10 is subtracted from all the observations, the mean is reduced to 60% of its value. If 5 is added to all the observations, then the mean will be
Maths-General
Hence, the new mean is 30.
Maths-
If mean deviation through median is 15 and median is 450, then coefficient of mean deviation is
Hence, the coefficient of Mean Deviation is 1/30.
If mean deviation through median is 15 and median is 450, then coefficient of mean deviation is
Maths-General
Hence, the coefficient of Mean Deviation is 1/30.
Maths-
The standard deviation of the data given by Variate (x) 0 1 2 3. . . . . n Frequency (f)
The standard deviation of the data given by Variate (x) 0 1 2 3. . . . . n Frequency (f)
Maths-General
Maths-
If the standard deviation of 0,1,2,3…..9 is K, then the standard deviation of 10,11,12,13…. 19 is
If the standard deviation of 0,1,2,3…..9 is K, then the standard deviation of 10,11,12,13…. 19 is
Maths-General
Maths-
When 15 was subtracted from each of the seven observations the following number resulted : -3,0,-2,4,6,1,1. The mean of the distribution is
When 15 was subtracted from each of the seven observations the following number resulted : -3,0,-2,4,6,1,1. The mean of the distribution is
Maths-General
Maths-
The standard deviation of a variable x is . The standard deviation of the variable where a, b, c are constants is ...
The standard deviation of a variable x is . The standard deviation of the variable where a, b, c are constants is ...
Maths-General
Maths-
If then the value of dx is equal to
If then the value of dx is equal to
Maths-General
Maths-
If then I equals
If then I equals
Maths-General
Maths-
Maths-General
Maths-
A square ABCD is inscribed in a circle of radius 4. A point P moves inside the circle such that min(d(P,BC),d(P,DA)) where d(P,AB) is the distance of a point P from line AB. The area of region covered by the moving point P is (sq units)
A square ABCD is inscribed in a circle of radius 4. A point P moves inside the circle such that min(d(P,BC),d(P,DA)) where d(P,AB) is the distance of a point P from line AB. The area of region covered by the moving point P is (sq units)
Maths-General
Maths-
If then the value of is equal to ____
If then the value of is equal to ____
Maths-General
Physics-
2k-mol of an ideal diatomic gas is enclosed in a vertical cylinder fitted with a piston and spring as shown in the figure. Initially the spring is compressed by 5 cm and then the electric heater starts supplying energy to the gas at constant rate of 100 J/S and due to conduction through walls of cylinder and radiation, 20 J/S has been lost to surroundings ( Take K=1000 N/m, atomospheric pressure, , cross section area of piston , mass of piston m=1 kg R=8.3kj mol k) Answer the given question based on this information.
The initial pressure of the gas is
2k-mol of an ideal diatomic gas is enclosed in a vertical cylinder fitted with a piston and spring as shown in the figure. Initially the spring is compressed by 5 cm and then the electric heater starts supplying energy to the gas at constant rate of 100 J/S and due to conduction through walls of cylinder and radiation, 20 J/S has been lost to surroundings ( Take K=1000 N/m, atomospheric pressure, , cross section area of piston , mass of piston m=1 kg R=8.3kj mol k) Answer the given question based on this information.
The initial pressure of the gas is
Physics-General
Physics-
A system is taken from state ' i ' to the state 'f' along the path 'iaf', it is found that =20 cal. Along the path 'ibf'. cal.
If for curved path 'fi', what is the ' for this path ?
A system is taken from state ' i ' to the state 'f' along the path 'iaf', it is found that =20 cal. Along the path 'ibf'. cal.
If for curved path 'fi', what is the ' for this path ?
Physics-General
Physics-
Find the efficiency of the thermodynamic cycle shown in figure for an ideal diatomic gas.
Find the efficiency of the thermodynamic cycle shown in figure for an ideal diatomic gas.
Physics-General
Physics-
The temperature - entropy diagram of a reversible engine cycle is given in figure. What is its efficiency
The temperature - entropy diagram of a reversible engine cycle is given in figure. What is its efficiency
Physics-General