If eleven plus two equals one, what does nine plus five equal?

Can you solve the photo plexer logic ?

There are three Athletes (John, Tarun and Harish) and their individual Coaches (Jacob, Meenaxi and Priyanka) standing on the shore.
No Coach trusts their Athlete to be near any other Coach unless they are also with them.
There is a boat that can hold a maximum of two persons.
How can the six people get across the river?

Teacher ask the student

'Why are you standing on that chair in music class ?'.

what did student replied ?

What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?

Find the next number in the series below

21 32 54 87 131 ?

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

John gave half of the apples he had plus one more to Jacob. He gave half of the remaining ones plus one more to James. Now, John was left with just one apple.

Can you find out how many did he have in the beginning?

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

All of the flowers I have are orchids except two. All of the flowers I have are hibiscuses except two. All of the flowers I have are roses except two.

Can you tell me how many flowers I have?