Byang's Day Out!

Byang and his little brother Kuno loves Cricket. But they never went to the stadium to watch a match...

Life of Decimals

Given any circle, if you divide the circumference of that circle with its diameter, you would always...

Lexicographical Smallest String

There is a string s of length n containing lowercase letters and an integer k. Among the letters tho...

Make It Big!

You are given a number N (10 ≤ N ≤ 2×109). You have to perform exactly two swap operation. You can c...

Itsy's Magic Cards

Itsy needs your help with her magic cards. Her magic cards grant her special spider-witch powers. Un...

GPA Calculator

Shibli is a very good student. He is very regular and attentive in his classes. He is very serious a...

Alayna and Vowels

Alayna loves playing. Every night before going to sleep, she plays different games with Baba. Now Al...

CGPA, the Golden Egg!

Jenith is a student of CSE of Metropolitan University (MU). Recently her fifth term’s result has bee...

Byang Loves Byangette

Byang Loves Byangette. Byangette Loves Byang. They love each other so much, that they go around the ...

Sofdor Ali Got Mail!

Sofdor Ali, the greatest scientist of Bangladesh, has countless fans. But no one is as close to him ...

Sofdor Ali's Magical Blackboard!

Sofdor Ali found interest in mathematics very early in his life. And now, he wants to spread this in...

Arya’s Counting

Little Arya has learnt to count the highest and the lowest number recently. She can easily find out ...

Alice and the Chessboard

It's Sunday afternoon, and Alice is in her room trying to figure out the rules of the game calle...

Arithmetic Sequence (Easy)

Arithmetic Sequence is a sequence of numbers where the difference between two consecutive numbers ar...

Oh No! Classes!

You will be given three pairs of integers, which denotes the starting and ending time in seconds of ...

Burger King

Every day, more than 11 million guests visit BURGER KING® restaurants around the world. And they do ...

Alayna's Adventure Journey

Alayna recently went on her first adventure journey to Dumbulla Safari Park. She enjoyed the bumpy r...

Alayna and Strings

Alayna's father Baba gifted her a nice alphabet book last month. And now Alayna is in love with ...

Geometry Forever

Fear no more, this is a problem of geometry! When Moyna was little, he had a math teacher named Shuk...

Anita's Experiment

Little Anita is doing an experiment with herself. Everyday, depending on her mood, she determines a ...