Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

Rose, Lily and Jasmine decided to buy flowers for their moms on Mother's Day. One of them bought lilies, the other roses, and the third one jasmines.
'It's funny!' said the girl with roses, 'we bought roses, jasmines and lilies, but none of us bought the flowers matching her name'.
'You're right!', said Lily.
What kind of flowers did each of the girls buy?

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

The dirtier I get, the whiter I look. Who am I?

Use the digits from 1 up to 9 and make 100.

Follow the rules.
=> Each digit should be used only once.
=> You can only use addition.
=> For making a number, two single digits can be combined (for example, 4 and 2 can be combined to form 42 or 24)
=> A fraction can also be made by combining the two single digits (for example, 4 and 2 can be combined to form 4/2 or 2/4)

Question: how can we do this?

You have two buckets of 11 liters and 6 litres.
How can you measure exactly 8 litres?

Using the clues below, what four numbers am I thinking of?

The sum of all the numbers is 31.
One number is odd.
The highest number minus the lowest number is 7.
If you subtract the middle two numbers, it equals two.
There are no duplicate numbers.

What word is pronounced the same if you take away four of its five letters?

Can you find the missing letter in the sequence?
S - T - I - L - ? - T - F - Y - C

I have a clock(12-hour format) and both the needles of the clock overlap at 12:00.
After how much time, they will overlap again?