Today's Daily Quiz is Live — Test your knowledge & improve your rank
|
Brain Teasers Medium 1 min

A doctor gives you three tablets and tells you to take one every 30 minutes. How long will the tablets last?

Hint
The first tablet is taken immediately.

Answer

One hour.

Explanation

Take the first tablet immediately, the second after 30 minutes and the third after another 30 minutes.

Step-by-Step Solution

Tablet 1 = 0 minutes.
Tablet 2 = 30 minutes.
Tablet 3 = 60 minutes.
Total duration = 1 hour.
6 puzzles
What has keys but cannot open locks, has space but no room, and you can enter but cannot go inside?
21 views Brain Teasers
Medium
What gets wetter the more it dries?
13 views Brain Teasers
Medium
A man owns a clock that loses 10 minutes every hour. He sets it correctly at noon. What time will the clock display after 6 real hours?
10 views Brain Teasers
Hard
A person enters a building on the ground floor and takes an elevator to the tenth floor. On the way back, the person walks down the stairs from the tenth floor to the ground floor. Why might this be reasonable?
9 views Brain Teasers
Medium
A man is standing in heavy rain without an umbrella or hat, yet not a single hair on his head gets wet. Why?
9 views Brain Teasers
Hard
A room has three light bulbs and three switches outside the room. Each switch controls exactly one bulb. You may enter the room only once. How can you determine which switch controls which bulb?
12 views Brain Teasers
Medium