Home
Class 12
MATHS
If .^(15)C(r)=^(15)C(r+1) then the value...

If `.^(15)C_(r)=^(15)C_(r+1)` then the value ofr is -

A

6

B

7

C

4

D

3

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Similar Questions

Explore conceptually related problems

If ""^(16)C_(r)=""^(16)C_(r+1) then the value of ""^(r)P_(r-3) is

If ""^(43)C_(r-6) =""^(43)C_(3r+1), then the value of r is-

If .^(2n)C_(r)=.^(2n)C_(r+2) find the value of r.

If 16C_r=^16C_(2r+1) then the value of r will be

.^(n-1)C_(r)+^(n-1)C_(r-1)=

If 16C_r = 16C_(2r+1) then the vaue of r is

If .^(15)C_(r+1)=^(15)C_(r+2) , find r.

If .^15 C_(3r):^(15)C_(r+1)=11 :3 , find the value of rdot

If .^(15)P_(r)=2730 , then the value of r will be -

If .^(n)C_(r-1)=36,.^(n)C_(r)=84,and^(n)C_(r+1)=126, " then the value of " .^(n)C_(8) is