Spot the error in the following sentence.
It is not easy to crack an entrance exams of leading universities

If 75% of 1/3 of a number is 25, then the number is:

Among five software companies, Mars pays higher wages to its employees than what Venus pays, but its wages are not as much as those paid by Jupiter. Uranus pays more than what Earth pays, but still not as much as what Venus pays to its employees. Who among them pays the least to its employees?

Which one is the new form of the word 'AUSTERIT', if each consonant in the word is substituted by the third letter that comes in the English alphabet after it and each vowel by the very first letter that comes after it?

Which ones are included in a digitally signed e-mail message?

Which one defines the correct purpose of using a poster frame image?

Which command is used to connect to a named instance of SQL Server using the sqlcmd utility of SQL Server?

How many groupings are generated when CUBE is used with the GROUP BY clause of SQL Server 2008?

Which data type can be specified as SPARSE?

How many audit action groups are available for a server in SQL Server 2008 to perform different actions on audit data?

Which Audit object primarily describes the destination where the audit data of SQL Server 2008 gets stored?