Find the value of  

`(( n + 2 )!) /(( n + 3 )!)`

If 6m-n=3m+7n , then find the value of (m^(2))/(n^(2))

Find the value of ( 2^(n+4) - 2 ( 2^n )) / ( 2(2^(n+3) )

(i) If (n!)/(2.(n-2)!): (n!)/(4!.(n-4)!) = 2:1 , find the valye of n. (ii) If ((2n)!)/(3!(2n-3)!): (n!)/(2!(n-2)!) = 44:3 , then find the value of n.

Find the value of n. (6^(n))/(6^(-2))=6^(3)

Find the value of (3^(12+n)xx9^(2n-7))/(3^(5n))

Find the value of (n!)/((n-r)!) ,if n=10 and r=3 .

Find the value of 'n' if (n+4) ! = 56 (n+2) ! .

Find the value of n. (2^(n)xx2^(6))/(2^(-3))=2^(18)

Find the value of n if : (2/3 )^3 times (2/3 )^5 = (2/3 )^(n-2)