The doctor advised his patient to take a tablet after every fifteen minutes. He gave him five tablets in total.

How much time will he take to have all the five tablets?

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

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?

An equation has been laid down using a few matchsticks. However, as you can see, the equation is not correct. Can you correct the equation if you are allowed to add or remove 5 matchsticks?

Decode below rebus
D
N
A
T
S , D

I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

A number can be multiplied by multiple of nine
i.e 9 18 27 36 45 ...

and the resulting number consist of only one digit.

Can you identify the number ?

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

What goes up but never comes down?