Solution:

Just In case

Solution:

41 years.

If the current age of Dakota is x
4(x+4) + 4(x+5) = 10x
Thus x=41 years

Solution:

She simply asked everyone to raise hands on hearing the question. The only condition was that the ones who knew the correct answer will raise right hand and other will raise left hand facilitating her in acknowledging the ones to pick for answering.

Solution:

I am a battery.

Solution:

Its day time

Solution:

China

Solution:

The answer is 0.
As
6 / 7 = 42 but the answer is written as 2
3 / 9 = 27 but the answer is written as 7
8 / 2 = 16 but the answer is written as 6
If we look at the answers, the second digit has been used in the problem.
Now, as
4 / 5 = 20 and the second digit is 0, the answer is 0.

Solution:

The plane was not flying :p

Solution:

He was running

Solution:

Both 'nothing' and 'something' don't rhyme with the word pizza.