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True probability of 2 consecutive balls picked being blue: (10/30)*(9/29)=3/29 which is 0.1034 (4 d.p.)

3/29-100% 0.2-x% so, x=0.2*100/(3/29)= 193.3 (1 d.p.) therefore Adam's result is 93.3 % (1 d....

Like any exam, it is absolutely essential that you prepare well for the Oxbridge interview process. This can be a relatively grueling admissions process and so tutors WILL be able to seperate the candidat...

Russian has many different grammar rules which are completely unknown to most English speaking people. In English if we want to refer to an object in a sentence, we may use direct or indirect article (e.g...

The genitive case is one of the most commonly used cases in the Russian language. Luckily for Russian scholars, it is fairy easy to master its usage:

1. To denote possession - книга Машы (lit. t...

Pathogen: any microorganism (bacteria or virus) that can cause disease. anything that has a 'path' to disease.

 I will explain that often the question gives a clue to the answer to the question. Th...