question_answer

Out of a total of 600 bolts, 20 % are too large and 10 % are too small. The remaining are considered to be suitable. If a bolt is selected at random, the probability that it will be suitable is

A)  \[\frac{1}{10}\]                        

B)  \[\frac{7}{10}\]

C)  \[\frac{1}{5}\]                         

D)  \[\frac{3}{10}\]

E)  None of these