A printing mistake was found in the instructions on many SAT tests given by US students on June 6.

There was a chaos among students taking the SAT as the error found on exam's instructions affected the time they had for completing a section.

Students usually have 20 minutes to complete sections 8 and 9 of the 10-section college admission exam. That allotment for 20 minutes appeared in proctors' scripts and manuals for those sections Saturday.

However, students' test booklets told test takers that they had 25 minutes, leading to confusion in hundreds of schools across the United States. Some invigilators cut students off after 20, while others were allowed to have the extra five minutes.

College Board and Educational Testing Service (ETS) contacted supervisors and administrators as soon as they learnt about the error. ETS is the College Board's test administration and security provider for the SAT. The team started to work out to provide the accurate guidelines immediately.

The College Board said that the test has been designed to collect enough information to provide valid and reliable scores even with an additional unscored section.

After a comprehensive review and statistical analysis, the College Board and ETS determined that the affected sections will not be scored. They mentioned they will still be able to provide reliable scores for all students who took the SAT and expect to deliver scores within the usual timeframe.

It said, “We have deliberately constructed both the Reading and the Math Tests to include three equal sections with roughly the same level of difficulty. If one of the three sections is jeopardized, the correlation among sections is sufficient to be able to deliver reliable scores”.