Cristina was born in 1888. She just had her 30th birthday today how did that happen?

Which point will the car reach to go out?

I am a prime number.
The double of myself is equal to the square of me.

which number am I?

Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?

The two towns are exactly 100 km apart. John leaves City A driving at 30 km/hr and Jacob leaves City B half an hour later driving at 60 km/hr. Who will be closer to City A when they meet?

How can a man go eight days without sleep?

Can you solve the below algebraic mathematical equation?

(J+O+I+N+T)3 = JOINT

In the given picture, you can find two letters missing. When two particular letters are placed in the missing spots, you get an eight-letter word while reading in the anti-clockwise direction. Can you find out the missing letters and the missing word eventually?

Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?

Make eight squares by moving only two matchsticks.
Note- Square can be of different sizes.