' तू डाल-डाल, मैं पात-पात' लोकोक्ति का सही अर्थ है - 

Find the no. of prime factors in the product of 25¹² × 10⁷ x 14⁷ ? 

'अपने कुल का श्रेष्ठ या प्रतिष्ठित व्यक्ति' वाक्यांश के लिए सार्थक शब्द है -

Most people who bother with the matter at all would admit that the English language is in a bad way, but it is generally assumed that we cannot by conscious action do anything about it. Our civilization is decadent and our language-so the argument runs-must inevitably share in the general collapse. It follows that any struggle against the abuse of language is a sentimental archaism, like preferring candles to electric light or hansom cabs to aeroplanes. Underneath this lies the half-conscious belief that language is natural growth and not an instrument which we shape for our own purposes. 
Now it is clear that the decline of a language must ultimately have political and economic causes it is not due simply to the bad influence of this or that individual writer. But an effect can become a cause, reinforcing the original cause and producing the same effect in an intensified form, and so on indefinitely. A man may take to drink because he feels himself to be a failure, and then fail all the more completely because he drinks. It is rather the same thing that is happening to the English language. It becomes ugly and inaccurate because our thoughts are foolish, but the slovenliness of our language makes it easier for us to have foolish thoughts. The point is that the process is reversible. Modern English, especially written English, is full of bad habits which spread by imitation and which can be avoided if one is willing to take the necessary trouble. If one gets rid of these habits, one can think more clearly, and to think clearly is a necessary first step towards political regeneration: so that the fight against bad English is not frivolous and is not the exclusive concern of professional writers. 

The author believes that the first stage towards the political regeneration of the language would be –

If PKROK code with 72962 and KRRPK coded with 29972 then how will be coded NJMLZ?

'Chokhelao mahal' is situated in which fort of Rajasthan? 

The following sentence has been split into four segments. Identify the segment that contains a grammatical error.

The postman / delivers the letters / through hand, / door to door.