jee-main 2019 Q66

jee-main · India · session1_12jan_shift2 Arithmetic Sequences and Series Properties of AP Terms under Transformation

If ${ } ^ { n } C _ { 4 } , { } ^ { n } C _ { 5 }$ and ${ } ^ { n } C _ { 6 }$ are in A.P., then $n$ can be
(1) 9
(2) 14
(3) 12
(4) 11

If ${ } ^ { n } C _ { 4 } , { } ^ { n } C _ { 5 }$ and ${ } ^ { n } C _ { 6 }$ are in A.P., then $n$ can be\\
(1) 9\\
(2) 14\\
(3) 12\\
(4) 11