I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

Your job is to measure 45 minutes if you have only two cords and matches to light the cords.

1. The two cords are twisted from various materials, so their different segments can burn at different rates.
2. Each cord burns from end to end in exactly one hour.

Describe your way of measuring the 45 minutes.

Spot what is wrong here in below Picture?

What breaks yet never falls, and what falls yet never breaks?

Can you write down eight eights so that they add up to one thousand?

A 52% bias toss for head using the 51% tail bias coin was done to obtain a fair result.

Can you find how bias is the floor in this case?

We know that the number 7 is the prime followed by a cube. Which next number is also a prime followed by a cube?

One day, John and his friends were playing around. Jacob hit something with a Pin and it popped. John's dad came into the room that very moment, but he wasn't mad. In fact, he was smiling. What did Jacob hit?

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

Can it be possible to build a house that has all its four walls facing towards the South?