The word(s) "what" appears 845 time(s) in 697 verse(s) in Quran in Mohsin Khan translation.

(301) (Allah) said: "O Iblis (Satan)! what is your reason for not being among the prostrators?"

(302) [Ibrahim (Abraham)] said: "Do you give me glad tidings (of a son) when old age has overtaken me? Of what then is your news?"

(303) [Ibrahim (Abraham) again] said: "what then is the business on which you have come, O Messengers?"

(304) Look not with your eyes ambitiously at what We have bestowed on certain classes of them (the disbelievers), nor grieve over them. And lower your wings for the believers (be courteous to the fellow-believers).

(305) Indeed, We know that your breast is straitened at what they say.

(306) And whatsoever He has created for you on the earth of varying colours [and qualities from vegetation and fruits (botanical life) and from animals (zoological life)] Verily! In this is a sign for people who remember.

(307) And Allah knows what you conceal and what you reveal.

(308) Certainly, Allah knows what they conceal and what they reveal. Truly, He likes not the proud.

(309) And when it is said to them: "what is it that your Lord has sent down (unto Muhammad صلى الله عليه و سلم)?" They say: "Tales of the men of old!"

(310) "Those whose lives the angels take while they are doing wrong to themselves (by disbelief and by associating partners in worship with Allah and by committing all kinds of crimes and evil deeds)." Then, they will make (false) submission (saying): "We used not to do any evil." (The angels will reply): "Yes! Truly, Allah is All-Knower of what you used to do.