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General

Easy

Question

# are three non zero real numbers such that

## The correct answer is:

### Related Questions to study

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### 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

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Maths-

### If then I equals

### If then I equals

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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