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The mileage (km per litre) of 50 cars of the same model was tested by a manufacturer and details are tabulated as given below: Find the mean mileage. The manufacturer claimed that the mileage of the model was 16 kmL -1. Do you agree with this claim? Find the mean of the distribution November 26, [...]

The charge on the atom containing 17 protons , 18 neutrons and 18 electrons is (a) +1 (b) -2 (c) -1 (d) zero 18 neutrons and 18 electrons is (a) +1 (b) -2 (c) -1 (d) zero The charge on the atom containing 17 protons November 26, 2020 Category: Uncategorised (JEE Advanced Physics by BM [...]

The weights (in kg) of 50 wrestlers are recorded in the following table. Find the mean weight of the wrestlers. The weights (in kg) of 50 wrestlers are recorded in the following table. Find the mean weight of the wrestlers. November 26, 2020 Category: Chapter 14 - Statistics , Chapter 15 - Probability , Maths [...]

Assertion : Cathode rays do not travel in straight lines. Reason : Cathode rays pentrate through thick sheets . Assertion : Cathode rays do not travel in straight lines. Reason : Cathode rays pentrate through thick sheets . November 26, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

An aircraft has 120 passenger seats. The number of seats occupied during 100 flights is given in the following table. Determine the mean number of seats occupied over the flights. An aircraft has 120 passenger seats. The number of seats occupied during 100 flights is given in the following table. Determine the mean number of [...]

The daily income of a sample of 50 employees are tabulated as follows. Find the mean daily income of employees. The daily income of a sample of 50 employees are tabulated as follows. Find the mean daily income of employees. November 26, 2020 Category: Chapter 14 - Statistics , Chapter 15 - Probability , Maths [...]

What is the ratio of mass of an electron to the mass of a proton (a) 1 : 2 (b) 1 : 1 (c) 1 : 1837 (d) 1 : 3 What is the ratio of mass of an electron to the mass of a proton (a) 1 : 2 (b) 1 : 1 (c) [...]

The following table gives the number of pages written by Sarika for completing her own book for 30 days. Find the mean number of pages written per day. The following table gives the number of pages written by Sarika for completing her own book for 30 days. Find the mean number of pages written per [...]

Calculate the mean of the following data Calculate the mean of the following data November 26, 2020 Category: Chapter 14 - Statistics , Chapter 15 - Probability , Maths , NCERT Class 10 ,

Magnitude of K.E in an orbit is equal to (a) Half of the potential energy (b) Twice of the potential energy (c) One fourth of the potential energy (d) None of these Magnitude of K.E in an orbit is equal to (a) Half of the potential energy (b) Twice of the potential energy (c) One [...]