गति - L12 | त्वरण तथा उसके प्रकार |प्रश्नोत्तर | CLASS 9 - विज्ञान | 9 AM Class by Subhadra Ma'am

Two cars A and B leave Delhi at 8:30 a.m. and 9 a.m. for Shimla, respectively. They travel at the speeds of 40km/h and 50 km/h respectively. How many kilometres away from Delhi will the two cars be together? दो कारें A तथा B दिल्ली से क्रमशः 8: 30 a.m एवं 9 a.m में शिमला जाने के लिए खुलती है | वे क्रमशः 40 किमी/घंटा तथा 50 किमी/घंटा की चाल से यात्रा करती हैं | दोनों कारें दिल्ली से कितने किलोमीटर की दूरी पर एक साथ होंगी ?

A train leaves P at 9 am with speed of 30 km/h. Another train leaves Q at 11 am with speed of 45 km/h. The trains are travelling towards each other on parallel tracks. Distance between P and Q is 300 km. When they meet, what is the ratio of the distances covered by them? एक ट्रेन सुबह 9 बजे 30 km/h की गति से P से निकलती है। एक अन्य ट्रेन सुबह 11 बजे 45 km/h की गति से Q से निकलती है। ट्रेनें समानांतर पटरियों पर एक-दूसरे की ओर जा रही हैं। P और Q के बीच की दूरी 300 km है। वे कब मिलेंगीं, एवं उनके द्वारा तय की गई दूरियों का अनुपात कितना होगा?

12 PM Special Class | Class 11 - STRUCTURE OF ATOM || BOHR MODEL By Yakshu Ma'am

study the following information carefully and answer the questions given below it. An exhibition is open for pubic since 9 am till 3 pm and again since 4 pm till 10 pm in a day. There are 12 batches of 1 hour each. The entry ticket bears a pass code made up of seven words, which changes every hour following a particular rule. The pass codes for 4 pm to 10 pm are same as those for respective hours during 9 am to 3 pm i.e., the pass code for 4 pm to 5 pm is same as that of 9 am to 10 am and so on. Following is an illustration of the code and steps of rearrangement for subsequent clock hours. First batch : 9 am to 10 am (4 pm to 5 pm) Pass code : dig more and you will find water Second batch : 10 am to 11 am (5 pm to 6 pm) Pass code : and dig find you water will more Third batch : 11 am to 12 noon (6 pm to 7 pm) Pass code : find and will you more water dig and so on. If the pass code for third batch is 'at study sleep and night child good', which batch will have the pass code 'child sleep night and study good at' ?