NCERT 2022 | सूक्ष्मजीव : मित्र एवं शत्रु - L13|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 is the difference of mean and median of the given data . दिए गए आंकड़ों के माध्य एवं मध्यिका में क्या अंतर है ? 4, 13, 8, 15, 9, 21, 18, 23, 35, 1?

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?

An element has 2 electrons in K shell, 8 electrons in L shell, 13 electrons in M shell and one electron in N shell. The element is

Two clocks A and B being tested against a standard clock located in the national laboratory At 10.00 AM by the standard clock, the readings of the two clocks are shown in following table {:("Day","Clock A","Clock B"),(I^("st"),10:00:06,8:15:00),(II^("nd"),10:01:13,8:15:0.1),(III^("rd"),9:59:0.8,8:15:04),(IV^("th"),10:02:15,8:14:58),(V^("th"),9:58:10,8:15:02):} If you are doing an experiment that requires precision time interval measurements, which of the two clocks will you prefer ?

Consider the points A=(1,2) and B=(3,-1) .Let M be a point on x+y=0 such that |AM-BM| is minimum.If S denotes area of triangle AMB then (8S)/(13) is.