What is the next number in this matchsticks series riddle?

A girl is twice as old as her brother and half as old as her father. In 50 years, her brother will be half as old as his father. How old is the daughter now?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

Can you complete the sequence?

192, 021, 222, 324, 252, 627, 2__, 9__?

1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10

1 rabbit saw 9 elephants while going to the river. Every elephant saw 3 monkeys going toward the river. Each monkey had 1 parrot in each hand. How many animals are going towards the river?

Solve the equation in the image by looking at the pattern closely.

There was an aeroplane crash, every single person died, but two people survived. How is this possible?

You are playing as white and given four rooks to checkmate the black king in four moves with the following rules 1. You can place one rook every move and ensure the black king should be in check position.2. After four moves the black king should be in the checkmate position.

I cannot talk, but I always reply when spoken to. What am I?