If Neelam says, “Anita's father Raj Is the only son of my father-in-law Sunil", then how is Kavita, who is the sister of Anita, related to Sunil?

Identify the figure given in the options that when put in place of the question mark (?) will logically complete the series.

Select the correct set of symbols: 

21    9    13    7 = 195

Select the figure that will come next in the following figure series.

LO15 is related to OR30 in a certain way. In the same way, SV25 is related to VY50. To which of the following is TW35 related, following the same logic?

Select the number that can replace the question mark (?) in the following series.

12.24, 48.96, 192.384, ?

Select the figure that will come next in the following figure series. 

Which of the following statements is correct in relation to the system?