Question

Consider the integers from `1` to `700`.

a. How many of these numbers are even?

b. How many of these numbers are divisible by `7`?

c. How many of these numbers are not divisible by `2` nor by `7`?

Answer question c.

Difficulty level (1 very easy - 10 very hard): 1

Topics:
Number Theory -> Prime Numbers Arithmetic Number Theory -> Modular Arithmetic / Remainder Arithmetic -> Divisibility Rules Combinatorics -> Matchings Number Theory -> Division -> Parity (Even/Odd) Number Theory -> Greatest Common Divisor (GCD) and Least Common Multiple (LCM) Set Theory
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