NCERT 2022 | सूक्ष्मजीव : मित्र एवं शत्रु - L16|Microorganisms| CLASS8 विज्ञान | 8AM | Subhadra Mam

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 ?

What volume of oxygen gas (O_(2)) measured of 0^(@)C and 1 am needed to burn completely 1 L of propane gas (C_(3) H_(8)) measured under the same conditions?

The maximum peak to peak voltage of an AM wave is 16 m V and the minimum peak to peak voltage is 8 m V. What is the modulation index ?

The average age of boys in a class is 16.66, while the average age of girls is 18.75. Thus the average age of all the 40 students of the class is 17.5.If the difference between the no. of boys and girls is 8, then the no. of girls in the class is: