How many atoms does a cube of sugar contain?
One
More than 100 less than 1000
It contains as many atoms as there are stars in the universe
Less than 100
A cube of sugar contains thousands of billions of atoms that can be compared to all the stars in the universe.
How many numbers are there less than 100 that cannot be written as a multiple of a perfect square greater than 1?
How many students are there in the class?
I. There are more than 20 but less than 27 students in the class.
II. There are more than 24 but less than 31 students in the class. The number of students in the class can be divided into groups such that each group contains 5 students.