Search found 20 matches

by Sidharth
Fri Mar 07, 2014 10:48 pm
Forum: Junior Level
Topic: Small riddle
Replies: 1
Views: 1291

Small riddle

দুইকে নিয়ে কর এত কেন ফিসফিস,দুই খানা দুই নিয়ে কর বত্রিশ।
by Sidharth
Wed Feb 26, 2014 10:43 pm
Forum: Secondary Level
Topic: ছক্কার গণিত
Replies: 2
Views: 1389

Re: ছক্কার গণিত

Guys,I didn't get any solution till now!
by Sidharth
Wed Feb 19, 2014 11:46 pm
Forum: Secondary Level
Topic: chocolate problem
Replies: 1
Views: 1223

chocolate problem

Oindri has 100 chocolates.She finished eating all her chocolates in 58 days by eating at least one chocolate each day.prove that,in some consecutive days she eat eaxactly 15 chocolates.
by Sidharth
Tue Feb 18, 2014 11:39 pm
Forum: Junior Level
Topic: a quadrilateral
Replies: 3
Views: 1520

Re: a quadrilateral

show the diagram of the structure you are talking about and logics that eliminates the possibilities of triangle
by Sidharth
Tue Feb 18, 2014 11:33 pm
Forum: Junior Level
Topic: a quadrilateral
Replies: 3
Views: 1520

Re: a quadrilateral

এটা সামন্তরিক
by Sidharth
Tue Feb 18, 2014 11:26 pm
Forum: Junior Level
Topic: twin brothers age
Replies: 4
Views: 1928

Re: twin brothers age

2*2*74 is not 1998
by Sidharth
Tue Feb 18, 2014 2:07 pm
Forum: Junior Level
Topic: prince number
Replies: 5
Views: 1910

prince number

prince is thinking about a six digit number.The sum of the digits of the number is 43.If only two statement is true then find the number.
statements:a)it is a perfect square,b)it is a perfect cube,c)it is less than 500000
by Sidharth
Tue Feb 18, 2014 1:53 pm
Forum: Secondary Level
Topic: prime number
Replies: 3
Views: 1503

Re: prime number

let,p=3.Now find $p^2+8$ and $p^3+4$
by Sidharth
Tue Feb 18, 2014 12:12 am
Forum: Secondary Level
Topic: prime number
Replies: 3
Views: 1503

prime number

If both p and $p^2+8$ are prime then prove that $p^3+4$ will also be a prime.
by Sidharth
Tue Feb 18, 2014 12:05 am
Forum: Junior Level
Topic: a quadrilateral
Replies: 3
Views: 1520

a quadrilateral

we asked four students about a quadrilateral.Their answer was,"square","triangle","parallelepiped" and "trapezium".If only one statement is false then what is it?