Twice ten are six of us,

Six are but three of us,

Nine are but four of us;

What can we possibly be?

Would you know more of us?

Twelve are but six of us,

Five are but four, do you see?

What are we?

I am thinking of a five-digit number such that:
The first and last digits are the same, their submission is an even number and multiplication is an odd number and is equal to the fourth number. Subtract five from it and we obtain the second number. Then divide into exact halves and we get the 3rd number.

What number I am thinking of?

In particular commonwealth games, a female participant won silver and gold medals for a single event.

How can this be possible?

Why is Saturday stronger than Monday?

No one wants to have it, but if one got it, he does not want to lose it. What is It?

Replace the question mark with the correct number in below Picture:

A river should be crossed by a father, a mother and their two sons and two daughters.
There are some rules that should be followed while crossing the river. There can be only two people in the raft while crossing. The daughters cannot be with their father unless there is the presence of the mother. The sons cannot be with their mothers unless the father is present. Unless the guard is on the board, the criminals cannot be with any of the family members. Only the adults like the father, the guard, and the mother knows to use the raft.

How will they cross the river?

Which alphabet letter is a question?

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

Count the number of triangles in the given picture.