There are four students whose ages are just four consecutive natural numbers. The product of their ages is 5040. What is the sum of their ages?
Solution: 5040 = 9x560 = 9x7x8x10
Therefore, the sum of their ages is: 7 + 8 + 9 + 10 = 34
Is the product of 2008 consecutive natural numbers odd or even? Why?
Come on,
Is an even number;
Because as long as there is an even number in it, the product is even
Even * odd = even
Even * even = even
Is the sum of any 2002 continuous natural numbers odd or even?
Because there are 1001 odd numbers and 1001 even numbers
So sum is even