एका वृक्षरोप कार्यक्रमात रस्त्याचे दोन्ही बाजूंना समान अंतरावर रोपटी दोन समांतर रांगांमध्ये लावण्यात आली. 61 व्या रोपट्यांचे स्थान रांगेच्या मध्यभागी असल्यास एकूण किती रोपटे लावण्यात आली?

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.