Why 1729 is a magic number? Answer Logically.

The centre of the third figure is empty. What digit should fit inside?

Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.

A girl was sitting in her hotel room when she heard a knock on the door. She opened the door and found that a man was standing outside. The man said, "Oh! I am really sorry, I thought this was my room." He then walked through the corridor to the elevator. The girl did not know the man. She closed her door and called security asking them to apprehend the man. What made her suspicious of that man? He might have been genuinely mistaken.

What Deficiency does the below rebus represent?

VIT_MIN

John killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

The more it dries, the wetter it becomes. Can you tell what it is?

Prove that the below maths equation is true.

8 + 8 = 91

A Car is crossing a bridge 2 miles long. The bridge can only hold 10000 lbs, which is the exact weight of the car. The Car makes it half way across the bridge and stops. A bird lands on the car. Does the bridge collapse? Explain.

I have thought of a number that is made up by using all the ten digits just once. Here are a few clues for you to guess my number:

First digits is divisible by 1.
First two digits are divisible by 2.
First three digits are divisible by 3.
First four digits are divisible by 4.
First five digits are divisible by 5.
First six digits are divisible by 6.
First seven digits are divisible by 7.
First eight digits are divisible by 8.
First nine digits are divisible by 9.
The number is divisible by 10.

Can you find out the number ?