Arrange the following words in the order in which they appear in an English dictionary.

1. Bird

2. Birth

3. Brow

4. Bat

5. Blow

The words arranged in dictionary order are:

Bat → Bird → Birth → Blow → Brow

(4) Bat comes first as 'A' is the earliest letter.
(1) Bird comes next since 'I' comes after 'A'.
(2) Birth follows Bird because T comes after D.
(5) Blow comes next as 'L' comes after 'I'.
(3) Brow follows Blow since 'R' comes after 'L'.
Final order is 4 → 1 → 2 → 5 → 3.

Thus, the correct option is (d) 41253

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