Math Olympiad

Which of the following statement(s) is or are correct?

Statement A: 8 + (0 ÷ 2015) = 8

Statement B: 8 + (2015 ÷ 0) = 8

Statement C: 8 + (0 x 2015) = 8

• Only Statement C is correct.

• Only Statements B and C are correct.

• Only Statements A and C are correct.

• All the three Statements are correct.

• None of the above

The product of three consecutive numbers is 1,320. What are the numbers?

• 5, 6, 7

• 4, 5, 6

• 7, 8, 9

• 10, 11, 12

What is the value of (888 + 666 + 444 + 111) - (555 + 333 + 222 + 777)?

• 111

• 222

• 333

• 444

A whole number multiplied by itself will give a special type of number called perfect squares. Examples of perfect squares are 9 (= 3 x 3) and 16 (= 4 x 4). A perfect square year is a year that is a perfect square. When is the next perfect square year?

• 2016

• 2020

• 2025

• 2116

• None of the above

What is the product's value 5 x 4 x 5 x 4 x 5 x 4 x 5?

George is the first person standing on a line. His friend, John, is the 17th person on that same line. How many people are standing between them on the line?

What number does N represent in the equation 6 x 7 x 40 = 5 x 8 x N?

The first 40 odd numbers are written. How many times does '3' appear as a digit?

Stacy has three children: Amy, Ben, and Carl. They are 3, 5, and 13 years old. When 31 is divided by Carl's age, the remainder is 1. Ben is younger than Carl. Who is the oldest among the children?

How many 3-digit numbers are there such that the sum of the hundreds digit and the tens digit is equal to the ones digit? (One example is 527, since 5 + 2 = 7) The hundreds digit and the tens digit could be the same.