Question

Please answer.. it's urgent...​

Answer 1

Answer:

of which standard it is?

Step-by-step explanation:

• I am asking it Bcoz I am in 6th standard
• And In My Full Book There Is Nothing like That
• INSHORT I don't know the answer of it

Answer 2

Answer:

The answer is 90

try solving it. If you got 90 then you got it correct.

I can't attach my solving here so I can only give the final answer "90".