I have a clock(12-hour format) and both the needles of the clock overlap at 12:00.
After how much time, they will overlap again?

using four eights (8) and a one (1) and one mathematical symbol , create the number 100

What number divided by 4 is the same as that number minus 4?

Which statement is true out of the following?
One statement here is false.
Two statements here are false.
Three statements here are false.

Using Only Five 5's and any mathematical operator make sum as 37

A Japanese ship is sailing in the Indian Ocean. The captain of the ship feels tired and decides to take shower to be rejuvenated. He goes to take the shower after keeping his diamond-studded Rolex watch and gold chain on the table.
When he comes back after 15 minutes, he finds them missing. There are 4 crew members on the ship and he calls them one by one to ask them what they were doing in that duration.

Following are the answers:
1. Crew 'A' who is the cook replies that he was cooking mutton for the crew members.
2. Crew 'B' who is a housekeeper tells that he was sleeping in his room.
3. Crew 'C' who is the engineer says that he was checking on the generator.
4. Crew 'D' who is another housekeeper says that he was correcting the hoisted flag that was put upside down.

It took only a couple of seconds for the captain to find the thief. Can you find the thief too?

How many triangles can you count in the figure given?

How many triangles are there in the picture below?

Can you replace the question mark with the correct number in the below table sequence?

Which tank will fill first?