GK Expert Team Solutions for Exercise 4: Exercise

What will come in place of ?

$B-3, D-6, F-9, H-12,?$

What will come in place of '?' in the following series? 

$3F , 6G , 11I , 18L , ?$

What will come in place of ?

$\mathrm{C}-3 , \mathrm{H}-8 , 0-15 , ?$

What will come in place of ?

$Q - 49, P - 36, O - 25, N - 16, ?$

What will come in place of ?

$B2D, E3H , I4M , ?$

What will come in place of ?.

$A1E, F4J, K9O, ?$

What will come in place of ?

$C4X, F9U, I16R, ?$

What will come in place of ?.

$A3B, C7D, E11F, G15H, ?$