You can take four of the five letters out of this word, but the pronunciation never changes. What is the word?

John is now two fifth of his older brother's age and two years from now he will be half of his older brother's age.
Two years ago, John was only one-fourth the age of his older brother age at that time.

How old is John now?

In a concert, Christina is performing a dance show with her group.
At 10:00, she and her crew were dancing in an absolutely straight line. At that time Christina was standing in 4th position from both the front and back end of the row.

What was the size of her crew?

Can you find the least possible number such that

If the number is divided by 3, it gives the remainder of 1;
If the number is divided by 4, it gives the remainder of 2;
If the number is divided by 5, it gives the remainder of 3;
If the number is divided by 6, it gives the remainder of 4.

Next Number in the Series,

5, 16, 49, 104, ?

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

Count the Triangle in the figure given below:

Can you solve the below tricky visual equation?

What can go through glass without breaking it?

What is the word or phrase?