महाराष्ट्र पोलीस दलातील खालील अधिकारी यांचा वरिष्ठ ते कनिष्ठ पातळीनिहाय योग्य क्रम लावा.
1) पोलीस उपमहानिरीक्षक ii) अपर पोलिस अधीक्षक iii) पोलीस अधीक्षक iv) अपर पोलीस महासंचालक

Choose the correct question tag to fill in the blank.
I am the happiest man in my town, ________?

A hardware or software device that is able to modify data according to instructions is called a ________.
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After the word, four meanings are given. Choose the correct alternative from the following:
Directory

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'to dictate letters' mean

The underlined idiom in the following sentence means
People these days want to be rich overnight; naturally they try to earn money by hook or crook.