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