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Q: How many square even number are there less than 50?

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All but the square numbers - 53 of them.

2, 6, 8 etc. There are many

Every non-negative real number is a square (every number if in the complex field) so every real number greater than or equal to -1 is one less than a square. Even if you restrict yourself to perfect squares, of the form n2, then n2 - 1 = (n-1)*(n+1) is one less than a square. There are infinitely many such numbers.

An infinite number of even numbers are less than 10.

The only even prime number is... 2 !

Just the one and it is 2

81 and 121 are two examples out of many more

Only one number can be both even and prime, and that is the number 2.

Any square of the infinitely many odd numbers!

There is only one even prime number - 2.

There are 7 of them which are: 1 4 9 16 25 36 and 49

Four

There are 101 numbers between 0 and 100. Because it starts with an even number and ends with an even number, there is 1 less odd number than even. So 51 even and 50 odd.

The nearest number whose square ≤ 10000 is 100. Then the greatest odd number less that 100 is 99 so there are 50 odd numbers in the range 1- 99 inclusive whose squares are less than 10000.

There are infinitely many of them. The square of every odd number will be an odd square number.

positive square numbers less than 50 are 7 these are : 1,4,9,16,25,36,49.These are less than 50.

There are 41 square numbers less than 1694 and an infinite number greater than 5929. There are 35 square numbers between 1694 and 5929, 36 if you count 5929 itself.

Square numbers have too many factors to be prime.

There are 1,963 such integers. Every factor of a number has a pair. The only time there will be an odd number of factors is if one factor is repeated, ie the number is a perfect square. So the question is really asking: how many positive integers less than 2008 (in the range 1 to 2007) are not perfect squares. √2007 = 44 and a bit (it lies between 44 and 45) So there are 44 integers less than (or equal to) 2007 which are perfect squares → 2007 - 44 = 1963 integers are not perfect squares in the range 1-2007 and have an even number of factors (divisors).

5

As a linear meter is a length with zero width, even with an infinite number of them they will not cover an area of 30 square meters.

Since one foot = 0.3048 meters, if you square this number you get the number of square meters per square foot.

The number of faces on a square is one. However the number of faces on a cube is six.

if you multiply two even numbers together, you have an even number. So every multiple of even number is even!

Five of them.