Count the number of triangles in the below picture?

After teaching his class all about Roman numerals (X = 10, IX=9 and so on) the teacher asked his class to draw a single continuous line and turn IX into 6. The teacher's only stipulation was that the pen could not be lifted from the paper until the line was complete.

Can you solve below mathematical equation?

2^1234 - 2^1233

No one wants to have it, but if one got it, he does not want to lose it. What is It?

What is the next number in this series?

4,12,84,3612....

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 find the odd one out from the below words ?

First Second Third Forth Fifth Sixth Seventh, Eighth Nine Ten Eleven Twelve.

What question can you never answer yes to?

What is red and smells like blue paint?

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