Question
Who proposed the 'Law of Octaves' in the periodic
classification of elements?Solution
The 'Law of Octaves' was proposed by John Newlands in 1865. According to this law, elements arranged in increasing order of atomic weights exhibit similar properties at every eighth element.
How many students appeared in two exams only?
Find ratio between total employees in HR and Management.
Find the average number of Red apples sold by ‘P’ and ‘R’ together.
Find the ratio of the number of female of tribe Raba and Dimasa.
Calculate the number of Mid-Level employees in the Research department, and if 50% of them are selected for a training program, how many employees are s...
Find the average number of boys in school A and C.
Find the total number of students who play Football.
What is the difference between number of employees who are married (male + female) and unmarried (male + female)?
Female doctors of hospital A is how much percent more than the female doctors of hospital C?
Find the average number of surgical masks sold on Monday and Tuesday.
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