English speaking practice | Daily use word meaning | Use of After - के बाद

Give some practical examples from daily life which make use of the conecpt of impulse.

In a Nigerian hotel, among the english speaking people 40% are English & 60% Americans. The English & American spellings are "RIGOUR" & "RIGOR" respectively. An English speaking person in the hotel writes this word. A letter from this word is chosen at random & found to be a vowel. Find the probability that the writer is an Englishman.

Consider the following distribution of daily wages of 50 workers of a factory.Find the mean daily wages of the workers of the factor } - by using an apropriate method.

How many meaningful additional English words can be formed from the letters in word 'FACE' using each letter only ocne in each word?