Topper's Solved these Questions
Similar Questions
Explore conceptually related problems
MODERN PUBLICATION-PERMUTATIONS AND COMBINATIONS-EXERCISE
- Compute 2!+3!. Is 2!+3!= 5!?
Text Solution
|
- Compute (8!)/(4!). Is (8!)/(4!)= 2! ?
Text Solution
|
- Evaluate (n- r)!, when : n=6, r=2.
Text Solution
|
- Evaluate (n- r)!, when : n=9, r=5.
Text Solution
|
- Evaluate (n!)/((n-r)!) when : n= 10, r=4.
Text Solution
|
- Evaluate (n!)/((n-r)!) when : n=12, r=3.
Text Solution
|
- Evaluate (n!)/((n-r)!) , when n= 6, r= 2
Text Solution
|
- Evaluate (n!)/((n-r)!) , when n= 9,r= 5.
Text Solution
|
- Evaluate (n!)/((n-r)!) when : r= 1.
Text Solution
|
- Evaluate (n!)/((n-r)!) when : r=2.
Text Solution
|
- Evaluate (n!)/((n-r)!) when : r= 3.
Text Solution
|
- Evaluate (n!)/(r!(n-r)!) when : n=6,r=2 .
Text Solution
|
- Evaluate (n!)/(r!(n-r)!) when : n=7,r= 4.
Text Solution
|
- Evaluate (n!)/(r!(n-r)!) when : n= 15,r= 12.
Text Solution
|
- Find the L.C.M. of 4!, 5! and 6!.
Text Solution
|
- If 1/(9!)+1/(10!) =n/(11!), find n.
Text Solution
|
- If 1/(8!)+1/(9!) =x/(10!), find x.
Text Solution
|
- Prove that n! (n+2)=n!+(n+1)! .
Text Solution
|
- If (n+1)! = 12 [(n-1)!], find n.
Text Solution
|
- If (n+2)! = 60 [(n-1)!], find n.
Text Solution
|