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:

Look at the eyes of all the three images. The second one has eyes positioned at different places. This is why the second image is the odd one out.

Solution:

Rohan kept his finger in the center of the table (not the exact center). The interviewer asked him how he was so sure that this was the exact center. He told the interviewer that according to the interviewer, his last question had already been asked.

The interviewer was impressed by his quick witted brain and he was offered the job.

Solution:

The movie name is Divergent.

Its based on a popular fiction series by Veronica Roth. Easy to guess for book lovers.

Solution:

There are a total of 104 triangles in this picture.

Solution:

We have moved the two matchsticks colored in purple and now the resultant figure contains five 1x1 squares, one 2x2 square and one 3x3 square.

Solution:

Rhea will open just one present.
Cindy|Y - Y is the 25th alphabet
Duk|E - E is the 5th alphabet
Joh|N - N is the fifteenth alphabet
Rhe|A - A is the first alphabet

Solution:

Need for Speed.

Explanation:
Clearly, ds/dt refers to speed. Concluding with whats written already, the movie name is Need for Speed.

Solution:

It was easy as it was daytime. They did not need headlights or the light on the number plate.

Solution:

It is called harmony. The reason is simple. The husband receives peace after giving that money to his wife.