What is common among 11, 69, and 88?

Jack was having a candle light dinner with his girlfriend. Suddenly a cold gush of wind entered through the open window and three of the ten candles were extinguished. Assuming that none of the other candles were extinguished.

How many candles are they left with in the end ?

Our product and our sum always give the same answer. Who are we?

I am lying and I always lie. Tell me whether I am lying or telling the truth.

The below mentioned letters have been placed in a order using a logic.

DEAD, BALL, FEAR, SHOP

Can you find the logic?

who is silent in the parliament?

You need to remove two matchsticks to make the below equation true. Can you do it ?

Can you find the thief by just looking at the picture below?

John enters a small room. The Door Closes.
When the door opens, John is in a larger room.

Explain?

John drives to his office at 20km/hr. After reaching the office, he realizes that today is a holiday. He went back at an average speed of 30km/hr. Discounting the time spent in the stoppage what was the average speed of his journey?