top button
Flag Notify
    Connect to us
      Site Registration

Site Registration

How many days will take the water lily cover half of the pool?

+1 vote
1,464 views

In the middle of a round pool lies a beautiful water lily. The water lily doubles in size every day. After exactly 20 days, the lily will cover the complete pool.
After how many days will the water lily cover half of the pool?

posted May 2, 2014 by Chahat Sharma

Share this puzzle
Facebook Share Button Twitter Share Button LinkedIn Share Button

2 Answers (Check Answer ▼)





Similar Puzzles
0 votes
How many days will it now take for the Magic Grass to cover his garden?

At a garden shop they're selling Magic Grass, a patch of sod that doubles in size every day. A man goes to buy some and figures that his garden is big enough that if he buys one patch, it will cover his garden in fourteen days, because each day it doubles in size. So he decides to speed up the process, and buys two patches of sod.

How many days will it now take for the Magic Grass to cover his garden?

0 votes
How many days will it now take for the Magic Grass to cover his garden?

At a plant nursery they’re selling Magic Grass, a patch of sod that doubles in size every day.

Mohit goes to buy some and figures that his garden is big enough that if he buys one patch, it will cover his garden in 14 days, because each day it doubles in size.

So he decides to speed up the process, and buys two patches of sods.

How many days will it now take for the Magic Grass to cover his garden?

+1 vote
Shweta rides @10 kmph but stops for 10 minutes to take rest at every 15 km. How many hours will she take to cover 100km?

Shweta rides at the rate of 10 km per hour but stops for 10 minutes to take rest at the end of every 15 km. How many hours will she take to cover 100 km?

0 votes
A swimming pool has four faucets. The first can fill the entire pool with water in two days, the second in three days...

A swimming pool has four faucets. The first can fill the entire pool with water in two days, the second in three days, the third in four days, and the last one can fill the pool in 6 hours.
How long will it take to fill the pool using all 4 faucets together?

...