Permatuation and combination problem, Mathematics

Assignment Help:

A student is allowed to select at most n-blocks from a collection of (2n + 1) books. If the total number of ways in which he can select a book is 63, find the value of n.

Solution) Σ2n+1Cr,(from r=1 to r=n)=(22n+1/2)-1=22n-1=63,n=3.


Related Discussions:- Permatuation and combination problem

Trigonometry, how to work out consumer arithmetic?

how to work out consumer arithmetic?

Determine the leading order term the asymptotic expansion, Submit your work...

Submit your working in (neat) handwritten form (do not type up your solutions). For the plots that you generate in Maple or Matlab, you can print them out and attach them at the en

Stages of multiplication from the beginning, What is our aim when teaching ...

What is our aim when teaching children multiplication? Firstly they should be able to judge which situations they need to multiply in, and the numbers that are to be multiplied sec

Find the number of vertices in graph, A graph G has 21 Edges, 3 vertices of...

A graph G has 21 Edges, 3 vertices of degree 4 and other vertices are of degree 3. Find the number of vertices in G.   Ans: It is specified that graph G has 21 edges, so total

Numerical analysis, just give me some tips to submit a good asignments

just give me some tips to submit a good asignments

Determine fog and gof, Let g be a function from the set G = {1,2,3,...34,35...

Let g be a function from the set G = {1,2,3,...34,35,36).  Let f be a function from the set F = {1,2,3,...34,35,36}.  Set G  and F contain 36 identical elements (a - z and 0 - 9).

Math, i need help in math

i need help in math

Examples of complex numbers, Following are some examples of complex numbers...

Following are some examples of complex numbers. 3 + 5i                                                 √6 -10i (4/5) + 1           16i                     113 The last t

Coordinate geometry, find the value of x for which the distance between the...

find the value of x for which the distance between the points p(4,-5) and q(12,x) is 10 units

Set theory, A survey of 400 of recently qualified chartered Accountant reve...

A survey of 400 of recently qualified chartered Accountant revealed that 112 joined industry, 120 stated practice & 160 joined the firms of practicing chartered accountants as paid

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd