Solution:

Diwali was celebrated as a mark of Lord Krishna win over the Narakasuna by killing him. Now Krishnavathaar comes after Raamavathaar in the Dasavataar. Therefore, Lord Rama could not have celebrated Diwali.

Solution:

They use the bricks and dirt from the tunnel to stand on it.

Solution:

Eggs

Dinosaurs laid eggs long before there were chickens

Solution:

SIX - 9 (IX) = S
9 (IX) - 10 (X) = I
40 (XL) - 50 (L) = X

=> SIX

Solution:

Draw a tilted line on 1st plus (+) operator, + will become 4 :-)
The equation then becomes true: 545+5=550.

Solution:

step 3 is wrong

Solution:

2100 miles.

Each vowel equivalent to 500 and each consonant equivalent to -200

Solution:

Very large hands.

Solution:

Rupees 1000

Solution:

6pm

Explanation:
The time after 24, 000, 000 hours will be the same as it is now. We want the time 3 hours before that and thus you can deduct three hours from 9 pm. So the time will be 6 pm.