What will you call your mother's brother's brother-in-law?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

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?

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.

Find The Next Number In The Sequence

30 10 15 13 0 16 -15 ?

Four people need to cross a rickety bridge at night. Unfortunately, they have only one torch and the bridge is too dangerous to cross without one. The bridge is only strong enough to support two people at a time. Not all people take the same time to cross the bridge. Times for each person: 1 min, 2 mins, 7 mins and 10 mins. What is the shortest time needed for all four of them to cross the bridge?

Can you solve the below tricky visual equation?

John is the son of Jacob.
So,
Jacob is the_____of John's father?

What has a bottom at the top?

The picture shows the dice results in each couple of throws. If they are actually following a pattern, can you find out the missing one?