Replace the question mark with the correct number in the below-given picture?

A large container is kept in open under the rain. Every passing hour, the water collected inside the container becomes double what it was.

In ten hours, the container is filled completely. Can you calculate how long would it have taken to be filled in half?

A Car is crossing a bridge 2 miles long. The bridge can only hold 10000 lbs, which is the exact weight of the car. The Car makes it half way across the bridge and stops. A bird lands on the car. Does the bridge collapse? Explain.

why number 8549176320 is one of a kind?

Two batsman each on 94 runs. Seven runs needed to win in last 3 balls. Both make 100*. How?

Which Number is the odd one out?

A) 7145
B) 2716
C) 5321
D) 4135

Use only one mathematical symbol and all numbers (0-9) to get a sum of 99

what's the probability of getting a king or a queen from a pack of 52 cards?

Can you complete the sequence?

192, 021, 222, 324, 252, 627, 2__, 9__?

Complete the table series riddle by finding the number that can replace "??".