What should be placed in place of question mark in equation ‘P ? W ? T ? Q ? S’ to make S ≥ W definitely false?

A $ B means ‘A is the father of B’
A # B means ‘A is the husband of B’
A * B means ‘A is the sister of B’ A % B means ‘A is the brother of B’ A @ B means ‘A is the mother of B’ How many female members are there in the expression P $ Q # R * S @ T?

Statements: M = A ≥ U < Z ≤ Q; N ≥ Y > Q ≤ P = E.
Conclusions:
I. U ≤ P II. E > A

Each vowel in the word CHAIRMAN is changed to the previous letter in the English alphabet and each consonant is changed to the next letter in the English alphabet. Which of the following will be the second from the right end in the new arrangement?

Which of the following expressions is true if the expression G < R ≤ X > A > B ≥ K is definitely true?

SOUP CRAP RUIN MOTH NEST
How many letters are there between the first letter of the first word from the left end and the second letter of the third word from the right end (According to the English alphabet)?

Statements:
Only a few Kites are Strings.
Some Threads are Strings. Only Strings are Needles. Conclusions: I. Some Kites are Needles. II. All Strings can be Kites.

In the given words, if 3rd and 6th (from the left end) letters are exchanged and same is done with 4th and 9th letters, 5th and 10th letters, then which series would form a meaningful word after rearrangement?
I. COATSMINPL
II. EXSNGHTIAU III. IMTCEPANOR

Statements: E = F > Q = A > B; J < Z ≤ A Conclusions: I. Q > Z II. B ˃ J

Statements: All red are yellow. All yellow are pink. Conclusions: I. some pink are red. II. No yellow is pink.

Pankaj is 22nd from the left end of a row and Tarun is 14th from the right end of row. If they interchanged their positions, then Tarun ranks become 12th from right end. Find total number of persons in the row?

Five persons viz. T, U, V, W and X have different weights. T is heavier than at least two persons. W is heavier than U. Only V and X are lighter than U. Who among them is the second heaviest?

If all digits are added within number, then find the difference between highest number and lowest number, then which of the statement I, II, III has the resultant number which is prime value?
I) 5974, 4584, 6458
II) 5637, 9644, 2583 III) 8963, 7853, 3132

Statements: A ≥ B ≥ Y = Z = M ≥ N ≤ E ≤ F = J Conclusions: I. F > Z II. J ≤ Y

In each of the following questions, select the related letter/number from the given alternatives. 225 : 12 : 435 : ?

If all the letters in the word `REGULATION' are arranged in English alphabetical order from left to right and then all the vowels are changed to the next alphabet in the English alphabetical series and all the consonants are changed to the previous alphab