परमाणु | Class 12 NCERT भौतिक विज्ञान |8 AM Class By Subhadra Ma'm | L9 |Hindi Medium

Class 11 के बाद क्या ? Class 12 Hindi Medium की पढ़ाई साल के शुरू से कैसे करें ?

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

The above Venn diagram represent the students who play 3 sports M, N and L in a class Total number of students who play N & L but not M game is: Options are (a) 15 (b) 68 (c) 9 (d) 12.

Thirty children were asked about the number of hours they watched TV programmes in the previous week. The results were found as follows: 1 6 2 3 5 12 5 8 4 8 10 3 4 12 2 8 15 1 17 6 3 2 8 5 9 6 8 7 14 12 (i) Make a grouped frequency distribution table for this data, taking class width 5 and one of the class intervals as 5 - 10. (ii) How many children watched television for 15 or more hours a week?

Ratio of First ,Second and Third Class train fares between two stations was 8:6:3 .First Class and Second Class train fares are reduced by 1/6 and 1/12 repectively .Ratio of no of passengers in first, second and third class in a year is 4:9:24 .From a stattion total sale of ticket of Rs. 355600 .First the amount collected from first class .

The science lecture theatre of a college is 10 m wide and has a dorr at a cormer. A science techer entres at 12 . 00 noon through the dorr and makes 8 rounds along the 10 m wall back and forth during the period and finaal leaves the class room at 12 . 40 p.m. through the same door. Compute the averae speed and average velocity.

Between two railway staions the fare of 1^(st), 2^(nd) and 3^(rd) class are in the ratio 8:6:3. But later on the fare of 1^(st) and 2^(nd) class is decreased by (1)/(6) and (1)/(12) spectively. In one year the no. of passengers of 1, 2nd and 3rd class are in the ratio for 4:9:24. If total tickets amounting Rs 355600 are sold then find the fare of all 3rd class.

Ina class of 72 children are seated in rows and columns is such a way that the number of children in each row is 12.5% more than the number of children in each column.How many children are there in each row? 8 b.9 c.12 d.18 e.none of these

12.17. Ho en DE Fig -80 m 60 m Fig. 12.14 4800 m x 160x60 m EXERCISE 12.2 has 900, AB 9 m, Bc L Apark in the shape of a quadrilateral occupy? CD m and 8 m. How much area does it AB 2 Find the area of a quadrilateral ABCD in which 4 cm, CD 1 Radha made a picture of an aeroplane with coloured paper as shown in Fig 12.15 A floral desig the total area of the paper used. which are tri being 9 cm, 2 Find the cost 5cm. of 50 per cm