Rob is taller than Edwin, and Jurgen is shorter than Rob.
Of only one of the following statements, we now certainly know it is correct:

A.Edwin is taller than Jurgen
B.Jurgen is taller than Edwin
C.It cannot be determined if Jurgen or Edwin is the tallest.

It has horns but can’t beep. It is like to bleat but It is not a sheep. What is it?

Use only one mathematical symbol and all numbers (0-9) to get a sum of 99

What is the four-digit number in which the first digit is one-third the second, the third is the sum of the first two, and the last is three times the second?

The LCD device should be able to tell the right time in the format HH:MM: SS in a 12-hour format. You can refer to the picture to get an idea. The device is a simple "level indicator" which has to be converted into a watch. How will you program it to work?

What can jump higher than a building?

Decode the below four famous ciphers:

8P of the SS
1M of the E
1S of the SS
60M in 1H

As easy as you can get into me, it is as hard to get out of me.

Do you know what I am?

I am sure no one can have two things for dinner. what are they?

Five lovely ladies(Sophia, Isabella, Madison, Emma and Olivia) planned a picnic.

They each buy one thing each for the picnic.

Sophia, Emma and Olivia got a drink : orange-Juice, apple-juice, and mango-juice.
Olivia got the drink with the same letter as the one in her first name.
Emma loves mango-juice.
The other two bring some food : chocolates and pizza.
Also Madison is allergic to cheese.

So which ladies bought what ?