You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?

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?

How many sides does a circle have?

Can you find the hidden animal in the picture below?

John is selling fruits.
He sells grapes at $30, Dates $25, and a Wolfberry $45.
At what price does he sell fig?

PS: Logical Thinking

During which month do people sleep the least?

How many pluses should we put between the digits of 987654321 to get a total of 99, and where?

What Deficiency does the below rebus represent?

VIT_MIN

Can you find out the number that should replace the question mark with a valid reason?

Replace the question mark with the correct number below.