How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

Consider all the numbers between 1 and 1 million. Among all these numbers, there is something very special about the number 8 and the number 2202. What is it?

My thunder comes before the lightning; my lightning comes before clouds; my rain dries all the land it touches. What am I?

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

what does the below math rebus puzzle mean?

In my garden, I have many trees but only one of them is the mango tree. In these mango trees, there are some mangoes(as expected).

But after a strong wind, there are neither mangoes on the tree nor on the ground. Explain?

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

Cristina leaves home and then she makes exactly 3 left turns and returns home where she found 2 girls wearing the mask.

Who are these two masked girls?

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?