English speaking practice | Daily use word meaning | Use of Has to - ना है

Strictly speaking the term formula mass has no meaning for

Strictly speaking the term molecular mass has no meaning for

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.

Select the word which means the same as the group of the words given. one who speaks two languages fluently.