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ATQ, Average price of 80 mobile phones is = 30,000 Sum of price of 80 mobile phones is = 30,000 × 80 = Rs. 24,00,000 Sum of price of 78 mobile phones is = 29,500 × 78 = Rs. 23,01,000 Sum of highest and lowest price of phones = 24,00,000 – 23,01,000 = Rs. 99,000 ∴ Cost of lowest mobile phone = 99,000 – 80,000 = Rs. 19,000
Clear nights are colder than cloudy nights because of –
Which of the following is not a subatomic particle?
The diameter of a capillary is 4mm. If Reynolds's number of the tube is 1000 and the co-efficient of viscosity for water is 0.02 poise, determine the m...
The shape of our Milky Way galaxy is
Two cars A and B are running at velocities of 60km per hour and 45 km per hour. What is the relative velocity of car A with respect to car B, if both ar...
The frequency of ultrasonic waves is:
The amount of light entering in eye is controlled by:
In an experimental arrangement of a Fresnel's biprism, monochromatic light of wavelength 2. is used to produce interference fringe pattern. On introduc...
Which of the following is NOT a conductor of electricity?
Which of the following decays does not change the atomic number of the nucleus?