Question

pls tell me the ans I will mark you as brainest ​

Answer 1

Answer:

the correct answer is B

Answer 2

Answer:

C) 35

Step-by-step explanation:

n ( A u B ) = N ( A ) + n ( B ) - n ( A  intersection B )

                = 25 + 20 - 10

                = 35

So the correct option is :- c ) 35