What is common among 11, 69, and 88?

An equation has been laid down using a few matchsticks. However, as you can see, the equation is not correct. Can you correct the equation if you are allowed to add or remove 5 matchsticks?

How can you write nineteen in a manner that if we take out one, it becomes twenty?

What is the probability of choosing the correct answer at random from the options below?

a) 1/4
b) 1/2
c) 1
d) 1/4

You are in a room that has three switches and a closed door. The switches control three light bulbs on the other side of the door. Once you open the door, you may never touch the switches again. How can you definitively tell which switch is connected to each of the light bulbs?

What word is pronounced the same if you take away four of its five letters?

How much will a 38° angle measure when looked at under a microscope that magnifies ten times?

Can you find out which options fits best with the missing column?

In the following series, a set of numbers is progressing with a particular pattern. Can you deduce that pattern and find the missing set?

(2 + 6), (21 + 6), (58 + 6), (119 + 6), ___

What begins with T, ends with T, and has T in it?