1.
IMO
What is the sum of all the prime numbers between 30 and 40?
2.
IMO
What is the smallest multiple of 4 that is also a perfect square?
3.
IMO
What is the product of the first 5 prime numbers?
4.
IMO
If a number is divisible by both 2 and 5, which of the following numbers must also divide it?
5.
IMO
Which of the following is a prime factor of 56?
6.
IMO
What is the sum of the first 10 natural numbers?
7.
IMO
Which of the following numbers is a multiple of both 3 and 4?
8.
IMO
Which of the following numbers is a multiple of 7?
9.
IMO
What is the smallest number that can be evenly divided by all the numbers from 1 to 10?
10.
IMO
Which of the following fractions is in its simplest form?
11.
IMO
What is the value of 7^2 + 5^2?
12.
IMO
Which of the following is a composite number?
13.
IMO
What is the largest prime number less than 20?