7 PM Class 9 NCERT गणित - संख्या पद्धति By Shahid Sir | L9 Hindi Medium

In a class of 50 students, 25 take Bengali, 16 take Hindi, 12 students take no language. How many take both Bengali and Hindi? (a) 3 (b) 4 (c) 9 (d) 13

In a class of 50 students, 23 speak English, 15 speak Hindi and 18 speak Punjabi. 3 speak only English and Hindi, 6 speak only Hindi and Punjabi and 6 speak only English and Punjabi. If 9 speak only English, then how many speak all the three? (a) 1 (b) 2 (c) 3 (d) 5

If l_(1) = (10.0 pm 0.1) cm and l_(2) = (9.0 pm 0.1) cm , find the their sum , difference and error in each .

The sum of three numbers is 777. The ratio between the first two numbers is 7:9 and the ratio between the second and third number is 3:7. The second number is: तीन संख्याओं का योग 777 है | पहली दो संख्याओं के बीच का अनुपात 7 :9 है तथा दूसरी और तीसरी संख्या के बीच का अनुपात 3 : 7 है | दूसरी संख्या है :

Acids,Bases and pH - Class 10 Science | 7 PM Master Class By Vipin Sir

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