Explanation

Question:    7        12     19     ?        39

Difference:      5            7            9        12

So 19+ 9 = 28      

Explanation

Equator passes  through 3 continents and 3 water bodies. 

The Equator passes through 13 countries:

Ecuador, Colombia, Brazil, Sao Tome & Principe, Gabon, Republic of the Congo, Democratic Republic of the Congo, Uganda, Kenya, Somalia, Maldives, Indonesia and Kiribati.

Explanation

Explanation

Takht-i-Bahi is an Indo-Parthian archaeological site of an ancient Buddhist monastery in Mardan, Khyber-Pakhtunkhwa.

Explanation

An allergy is an immune system response to a foreign substance that's not typically harmful to your body.

Explanation

An uncodified constitution is a type of constitution where the fundamental rules often take the form of customs, usage, precedent and a variety of statutes and legal instruments.

An understanding of the constitution is obtained through reading commentary by the judiciary, government committees or legal experts.

Explanation

کسی بھی پراپر نان سے پہلے ارٹیکل کا استعمال نہں کرتے قائد اعظم پراپر نان ہے اس لے دی کا استعمال نہں ہو سکتا

There are three articles "The", "A" and "An".

Around 90% article "the" is not used before proper nouns.

Generally we should not use "the" before a proper noun and "Quaid-e-Azam" is a proper noun here.

For example: He lives in the Karachi. (Incorrect)

He lives in Karachi. (Correct)

Around 10% article is used before proper nouns to emphasize a sentence.

For example: It was the Jinnah who struggled for Pakistan.

Explanation

The making of modern Sindh was originally published in 1999.

Author Hamida Khuhro was Professor of History at Sindh University.

Publisher ‏ : ‎ Oxford University Press; 2nd edition (November 18, 1999)

Explanation

Apprentice is someone who  works for an expert to learn a particular skill or job.

Apprentice means نو آموز، کار آموز

For example:

He worked for two months  as a plumber’s apprentice

Explanation

Clearly, the given sequence follows the pattern:

+5, +7, +9 ...  i.e., 7 + 5 = 12,  12 + 7 = 19, ... 
∴Missing Number = 19 + 9 = 28.
Hence, the answer is  28.