Question
A random sample of size 225 is drawn from the
population of mean μ and standard deviation σ. The sample mean follows the distribution with mean 100 and standard distribution 4/3. The value of μ and σ are:Solution
The correct answer is A
A boy focuses a sharp image of a distant object on a screen using a lens. The distance between the lens and screen is approximately equal to:
Particles of matter are continuously moving due to their:
Which two numbers should be interchanged to make the given equation correct?
7 × 8 + 9 − 6 ÷ 3 = 59
Magnification produced by a lens is equal to:
Which of the following electrolytes is used in the electrolytic refining of copper?
What are the qualifications laid down by the Constitution for appointment of the governor?
1. He should not belong to the state to which he is...
Two trains started from stations ‘A’ and ‘B’ at same time and started travelling towards each other at speeds of 30 km/hr and 20 km/hr, respecti...
The Darvaza gas crater is in which of the following countries?
Which one of the following statements is correct?
A device driver of output devices
Which of the following is incorrect about Nobel Prize 2014?
