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केंद्रीय हिंदी निदेशालय (अंग्रेज़ी: Central Hindi Directorate) एक सरकारी विभाग है। यह निदेशालय भारत सरकार के शिक्षा मंत्रालय (मानव संसाधन विकास मंत्रालय) के अधीन है। निदेशालय मानक हिन्दी के प्रसार के लिए उत्तरदायी है। यह देवनागरी लिपि के उपयोग और हिन्दी वर्तनी का विनियामन भी करता है। संविधान के अनुच्छेद 351 में हिन्दी भाषा के विकास के लिए दिए गए निर्देश को ध्यान में रखते हुए 1 मार्च, 1960 को निदेशालय की स्थापना की गई थी। केन्द्रीय हिन्दी निदेशालय का मुख्यालय नई दिल्ली में स्थित है।
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138 unit of work can be completed by P alone in 23 days. P started working alone and joined by Q after 11 days such that they completed the remaining wo...
X and Y can complete a work in 12 days and 10 days respectively. With the help of Z, X and Y together can complete the work in 5 days for a total salary...
Sudhanshu completes`1/3` of work in 12 days, then he completes the remaining work with the help of Neeraj in 4 days. The time required for Neera...
P works thrice as fast as Q, whereas P and Q together can work four times as fast as R. If P&Q and R together work on a job, in what ratio should they s...
