16.which of the following is a square of even number? 289 169 121 324
Answers
Hey there!
Square of 17 gives 289
Square of 13 gives 169
Square of 11 gives 121
Square of 18 gives 324
Out of all the numbers 18 is the only one which is an even number. Hence, 324 is the answer
Also, there's a shorter method to do this question too :
The square of an odd number is odd and the square of an even number is always even.
Hence, u need to find whether the numbers given in the question is odd or even
289 - odd
169 - odd
121 - odd
324 - even
Since, 324 is even it means that it is a square of an even number.
Hence, 324 is the answer .
Hope it helps! :)
Answer:
324
Step-by-step explanation:
324 IS THE SQUARE OF THE EVEN NUMBER 18
The square of an even number is always even.
For example ,
2² = 4
4² = 16
6² = 36
8² = 64
10² = 100
12² = 144
14² = 196
16² = 256
18² = 324
20² = 400 etc...