चतुर्भुजों कों समझना - L4 | Class 8 गणित (?????)| ??????? 3 | Kamal ??? | Doubtnut

Problems based on Class 3 and 4

If 13 L 4 A 7 = 41 and 14 A 3L 12 = 54 , then 12 L 3 A9 = ?

Problems Based on class 1, 2, 3 and 4

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Ram, Shyam and Kamal together start a business in partnership .The ratio of their capitals is 3:4: 7 . If their annual profit be ? 21000, what will be Kamal's share in this profit ?

In a class room the ratio of number of girls to that of boys is 3:4 . The average height of students in the class is 4.6feet. If the average height of the boys in the class is 4.8 feet, then what is the average height of the girls in the class?

In series LCR circuit 3 = Omega X_(L) = 8 Omega, X_(C) = 4 Omega , the impendance of the circuit is:

Negation of the statement 'No one in the class is fond of music' is :(1) everyone in the class is fond of music.(2) Some of the students in the class are fond of music.(3) There exists a student in the class who is fond of music.(4) (2) and (3) both