Civil Service Spelling Practice Test Results

Question 1
65% answer correctly
Which of the following words is spelled correctly?
untill
accomodate
knowlege
referring
Question 2
63% answer correctly
Which of the following words is spelled correctly?
calender
necessary
agressive
noticable
Question 3
29% answer correctly
How many of the following words are misspelled?

refering
acheive
occured
prefered
2
4
3
1