The missing numbers and letters in D 4 W – G – T20I-R18-10Q- are respectively given by one of the alternatives : %Alternatives:

The correct answer is (d).

The missing numbers and letters in D 4 W – G – T20I-R18-10Q- are respectively given by (d) 20, 6, 5, P, 18.

The pattern is as follows:

• The first number is the number of letters in the previous word.
• The second number is the number of letters in the previous letter.
• The third number is the number of letters in the previous word.
• The fourth number is the number of letters in the previous letter.
• The fifth number is the number of letters in the previous word.
• The sixth number is the number of letters in the previous letter.

Therefore, the missing numbers and letters are 20, 6, 5, P, 18.

Here is a breakdown of each option:

• (a) 26, 8, 9, P, 18: This option is incorrect because the first number (26) is not the number of letters in the previous word (D).
• (b) 22, 7, 9, K, 17: This option is incorrect because the second number (7) is not the number of letters in the previous letter (W).
• (c) 23, 7, 9, J, 17: This option is incorrect because the third number (7) is not the number of letters in the previous word (G).
• (d) 20, 6, 5, P, 18: This option is correct because all of the numbers and letters follow the pattern.