MathMoondoo

MathMoondoo The Mathematics page of Yusuf Khan for all the mathbrains. Give ideas for new posts and see your nam Ask me at you class time.

Send math problems or puzzles that you think are worth sharing with others. If I find it new and interesting I will post it giving credit to you. Mail me at [email protected] or call at (+91+33
) 94321 94321
Don't phone me for solutions.

28/07/2014

(math31) (হারা-ফেরা) হারাধনের দশটা হারানো ছেলে আবার ফিরে আসবে। বছরে একটা করে আসতে পারে - প্রথমে ৭নং এলো তারপর ৩নং তারপর ১নং ... এভাবে; কিংবা, প্রথম বছরে এলো ৩নং আর ১০নং, পরের বছরে এলো বাকি সবাই...এভাবে; ... ইত্যাদি নানা ভাবে। মোট কতভাবে দশটা ছেলে ফিরতে পারে?

19/07/2014

(math30) There are 10 balls - 2 identical red balls, 3 identical green balls and 5 identical blue balls. In how many ways you can keep all the 10 balls in 6 distinct boxes so that each box gets at least one ball?

09/07/2014

(math29) A Greek boy ends up writing the letter theta whenever he tries to write 0. If he writes all the integers 1 through 100000 then how many thetas does he write?

'Homework on MATH 14.03 Yusuf Khan' published today. Collect your copy now.
21/06/2014

'Homework on MATH 14.03 Yusuf Khan' published today. Collect your copy now.

18/06/2014

(math28) A boy watches television daily in whole hours but with a quota of at most 11 hours in a week. Prove that on some consecutive days he watches exactly 20 hours in total.

17/06/2014

(math27generalised) A toffee shop gives k toffees free for every m toffee-wrappers. If you buy n toffees then in total how many toffees do you get?

16/06/2014

(math27) (free for three) A toffee shop gives a toffee free for every three toffee-wrappers. So if you buy 9 toffees then on giving back the wrappers repeatedly you end up eating 13 toffees in total.
If a shop gives a toffee for every m toffee-wrappers and you buy n toffees then in total how many toffees do you get?

16/06/2014

(math25) Find the general term of the sequence 1,2,3,-4,-5,-6,7,8,9,-10,-11,-12, 13,14,15,... (alternate signs in block of three)

31/05/2014

(math25) How many distinct terms are there in the expansion of (1+x^2+x^3)^20?

31/05/2014

(math24) How many ordered pairs (x,y) of positive integers x, y are there such that the lcm of x, y is 1440?

26/05/2014

(math23) The sum of 8 positive integers is 20. Prove that one is 4 or the sum of some is 4.

Address

Dhakuria
Kolkata
700031

Telephone

+091-033-9432194321

Website

Alerts

Be the first to know and let us send you an email when MathMoondoo posts news and promotions. Your email address will not be used for any other purpose, and you can unsubscribe at any time.

Contact The School

Send a message to MathMoondoo:

Shortcuts

Share

Category