Home
Class 11
MATHS
[" If "^(20)C(r)=^(20)C(r+4)," then "^(t...

[" If "^(20)C_(r)=^(20)C_(r+4)," then "^(t)C_(3)" is equal to "],[[" a) "54," b) "56," c) "58," d) None of "t]]

Promotional Banner

Similar Questions

Explore conceptually related problems

If ""^(20)C_(r)=""^(20)C_(r-10) , then ""^(18)C_(r) is equal to

If ^(20)C_(r)=^(20)C_(r+4), then ^(r)C_(3) is equal to a.54 b.56c.58d .none of these

If 20C_r=^20C_(r+4) , then rC_3 is equal to:

If ^(20)C_(r+1)=^(20)C_(r-1), then r is equal to a.10 b.11 c.19d.12

If \ ^(20)C_r=\ ^(20)C_(r+4),\ t h e n\ \ ^r C_3 is equal to a. 54 b. 56 c. 58 d. none of these

if 20C_(r-1)=20C_(r+1) then rC_(5)

If 20C_(r+1)=^20C_(r-1) , then r is equal to:

If 20C_(r) = 20C_(r-10) than 18C_(r)=

If ^20C_r=^20C_(r+4) then prove that ^rC_2=28