Which of the following is the highest -altitude airport

Which of the following letter-clusters will replace the question mark (?) in the given series?

FUV, IXW, LAX, ?, RGZ

Select the appropriate picture next to the series from the given options.

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

P6Q, Q18T, R42W, S78Z,?

If '+' means '+', '–' means '+', '×' means '–', '÷' means '×', then what will come in place of the question mark (?) in the following equation?

Select the triad in which the numbers are related to each other in the same way as the numbers in the following triads.

8-17-35

23-47-95

Which of the following options is the closest approximate value that should come in place of the question mark (?) in the following equation?

Select the option that is related to the third word in the same way as the second word is related to the first word.

Bicycle : Pedal :: Car:?

Select the option figure that can replace the question mark (?) in the given figure to complete the pattern.

Select the letter-cluster from among the given options that can replace the question mark (?) in the following series.

BOY, FMU, ?, NIM, RGI

Which letter-cluster will complete the given series?

BHERZ, DGHTX, FFKVV, _________