What occurs twice in a week, once in a year but never in a day?

What is the next number in this series?

4,12,84,3612....

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

What does the below rebus riddle means?

By using 'because' continuously three times, can you make an English statement ?

I am a white box having no key or lid.
Yet there is a golden treasure inside it.

What Am I?

Check out the number list below and find what number comes next in the sequence.

111 , 113 , 117 , 119 , 123 , 137 , ?

Make a sentence consisting of three words that have the whole alphabet.

A horse was tied to a rope 5 meters long and the horses food was 15 meters away from the horse. How did the horse reach the food?

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?