EVEN NUMBERS All multiples of 2 are called even numbers.

Cube of an even number is even.

Which set could be the universal set for the sets given below ? A=set of multiples of 5 B=set of all even square numbers.

2 is square (prime/composet) number. Every even number is a multiple of square . Hence every enven number greater than 2 is a square a (prime/composit) number. We can say, that square is the only even prime number.

Why oxidation states of sulphur are all even numbers ?

Why oxidation states of sulphur are all even numbers ?

A die is thrown. If E is the event the number appearing is a multiple of 3' and F be the event the number appearing is even then

An unbiased die is thrown. What is the probability of getting: (i) an even number (ii) a multiple of 3 (iii) an even number or a multiple of 3 (iv) an even number and a multiple of 3 (v) a number 3 or 4 (vi) an odd number (vii) a number less than 5 (viii) a number greater than 3 (ix) a number between 3 and 6