# There are 3 condidates for a Classical; 5 for a Mathematical and 4 for a Natural science scholarship.(i)In how many ways can these scholarship be awarded ? (ii) In how many ways one of these scholarships be awarded?

Updated On: 18-5-2020

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Unbranched, erect, cylindrical stouta axis with distinct nodes and internodes and with joined appearance is called as

Unbranched, erect, cylindrical stouta axis with distinct nodes and internodes and with joined appearance is called as

Unbranched, erect, cylindrical stouta axis with distinct nodes and internodes and with joined appearance is called as

Two poles of heights 6 m and 11 m stand vertically on a plane ground. If the distance between their feet is 12 m, the distance between their tops is (a) 13 m (b) 14 m (c) 15 m (d) 12.8 m

Factorize:

2sqrt(2)a^3+3sqrt(3)b^3+c^3-3sqrt(6)a b c

Name the organization which developed the 'Saheli'

Name one autosomal dominant and one autosomal recessive. Mendelian disorder in human.

A pea plant with purple flowers was crossed with white flowers producing all 50 plants with only purple flowers. On selfing, these plants produced 482 plants with purple flowers and 162 with white flowers. What genetic mechanism accounts for these results? Explain.

Solve the equation

2sinx+cosy=2

for the value of

xa n dydot

Evaluate:

int_1^2 1/((x+1)(x+2))dx

(ii)

int_1^2 1/(x(1+x^2))dx

FAQs on Permutations And Combinations

What is factorial Zero Factorial examples

(a)Compute (i)

(20!)/(18!)

(ii)

(10!)/(6!.4!)

(b)find n if

(n+2)! =2550*n!

fundamental principle of multiplication

fundamental principle of addition

Difference and application of fundamental principals

There are 3 condidates for a Classical; 5 for a Mathematical and 4 for a Natural science scholarship.(i)In how many ways can these scholarship be awarded ? (ii) In how many ways one of these scholarships be awarded?

What is permutation ?

Notation + theorem :- Let r and n be the positive integers such that

1lerlen

. Then no. of all permutations of n distinct things taken r at a time is given by

(n)(n-1)(n-2).....(n-(r-1))

Prove that

P(n,r)=nP_r=(n!)/((n-r)!

The no. of all permutation of n distinct things taken all at a time is

n!

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