Here are some words translated from an artificial language.
I. hapllesh means cloudburst
II. srenchoch means pinball
III. resbosrench means ninepin

Which word could mean "cloud nine"?

Explanation:-

Hapl means cloud; lesh means burst; srench means pin; och means ball; and resbo means nine. Leshsrench (choice a) doesn't contain any of the words needed for cloud nine. We know that och means ball, so that rules out choices b and c. When you combine hapl (cloud) with resbo (nine), you get the correct answer