In a certain code word ACEG is written as 16 and DFGH is written as 25 then how can be written HIKM

Choose the correct option to complete the alphabet letter series.

AB_B, BC_C, _ AB _ AB _ B

Choose the correct option to complete the alphabet letter series

_ABA_CABC_DCBA_BAB_A

If SOLAR is coded as WSPEV then LUNAR is decoded as

If A is older than B, C is older than B but younger than A. D is younger than E and B. B is older than E. then identify who is youngest 

In three coloured boxes-red, green and blue, totally 108 balls are placed. There are twice as many balls in the green and red boxes combined as there are in blue box and twice as many in the blue box as there are in the red box. How many balls are there in the green box