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If the half life of Radium D is 22 years then it will decrease to 10% in _______ years अगर रेडियम D की अर्द्धआयु 22 वर्ष है तब उसे 10% तक घटने में ________ वर्ष लगेंगे।

एक रेलगाड़ी 75 km/h की एक समान चाल से चल रही है। इस रेलगाड़ी द्वारा 250 km की दूरी तय करने में लगने वाला समय ज्ञात कीजिए।

Given below are four jumbled sentences. Out of the given options pick the one that gives their correct order. A. On the morning of April 12 Gopal rose at 5.30 am. B. Then he drove to the Joggers park which was four km away. C. There he met his group of walking enthusiasts. D. He put on his track suit and walking shoes.

Our project also monitors the spectacular natural phenomenon known as ''noctilucent'' or ''night-shining'' clouds. While beautiful, the more frequent occurrence of these clouds is considered a bad sign for climate change. Our research also monitors how cooling temperatures are affecting the occurrence of noctilucent clouds. There is already some evidence the clouds are becoming brighter and more widespread in the Northern Hemisphere. Hence, long term monitoring is important to measure change and test and calibrate ever more complex climate models. What is the antonym of the word - 'rapid' as used in the passage ?

In which type of connection is prying action a concern for tension members ?

प्रधानमंत्री नरेंद्र मोदी ने किस राज्य में कोचरब आश्रम का उद्घाटन किया?