Select the related word/letters/number from the given alternatives.

EFGH: LNPR : : ABCD : ?

Select the related word/letters/number from the given alternatives.

Frog : Amphibian : : Cobra : ?

How many such pairs of letters are there in the word ADJUSTMENT each of which has as many letters between them in the word as in the English alphabet?

During a prize distribution ceremony, Vikram was ninth from the left while Janhvi was eighth from the right in the front row. If Hariom was thirteenth from the left and was exactly in the middle of Vikram and Janhvi in the same row then what was the total number of people in the front row?

In a row where all are facing north, Priya is 15th from the left end and Garima is 19th from the right end. They interchange their positions, and Ram who sits 24th from the left end sits at the 5th place to the left of Priya's new position. How many persons were there in the row?

The positions of how many digits in the number 2451479638 will remain same when the first half and the second half of the digits are arranged in ascending order separately?

In the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it? 

_cca_a_ca_ac_ab

If the following five words are arranged in alphabetical order, which word will come in the middle?