A school has 100 students distributed among 1st to 10th standards.
Based on this, which one of the following statements is always correct?
How many 3-digit numbers can be formed using three distinct single digit prime numbers?
In a group of students, 10 students like Mathematics, 12 students like English, 4 students like both Mathematics and English, and 6 students like neither Mathematics nor English. The number of students in the group is