CBSE 2022 | गुरुत्वाकर्षण - L13 | GRAVITATION | Class 9 NCERT विज्ञान | 5 PM | Ruchi Mam

The distance (in km) of 40 engineers from their residence to their place of work were found as follows: 5 3 10 20 25 11 13 7 12 31 19 10 12 17 18 11 32 17 16 2 7 9 7 8 3 5 12 15 18 3 12 14 2 9 6 15 15 7 6 12 Construct a grouped frequency distribution table with class size 5 for the data given above taking the first interval as 0-5 (5 not included). What main features do you observe from this tabular representation?

The marks obtained by 40 students of class IX in an examination are given below: 18, 8, 12, 6, 8, 16, 12, 5, 23, 2, 16, 23, 2, 10, 20, 12, 9, 7, 6, 5, 3, 5, 13, 21, 13, 15, 20, 24, 1, 7, 21, 16, 13, 18, 23, 7, 3, 18, 17, 16 Present the data in the form of a frequency distribution using the same class size, one such class being 15-20 (where 20 is not included)

{:(A , B , C , D , E , F , G , H , I , J , K , L , M , N , O , P , Q , R ,S , T ,U , V , W ,X , Y , Z), (1 ,2 , 3 , 4 ,5, 6 , 7,8,9,10 , 11 , 12, 13, 14, 15 , 16 , 17 , 18 , 19, 20 , 21 ,22 , 23 , 24 , 25 , 26):} M xx N : 13 xx 14 : : F xx R : ?

The runs scored by two teams A and B on the first 60 balls in a cricket match are given below: "N u m b e r o f b a l l s""T e a m A""T e a m B"1-6 2 5 7-12 1 6 13-18 8 2 19-24 9 10 25-30 4 5 31-36 5 6 37-42 6 3 43-48 10 4 49-54 6 8 55-60 2 10

In the following question, a word is represented by only one set of numbers as given in any one of the alternatives. The set of numbers given in the alternatives is represented by two classes of alphabets as in two matrices given below. The columns and rows of Matrix I are numbered 0 to 4 and that of Matrix II are numbered 5 to 9. A letter from these matrices can be represented first by its row and then by its column, for example, P can be represented by 55, 69, etc. and L can be represented by 59, 68, etc. Identify the set for the word LAPSE.

{:(A , B , C , D , E , F , G , H , I , J , K , L , M , N , O , P , Q , R ,S , T ,U , V , W ,X , Y , Z), (1 ,2 , 3 , 4 ,5, 6 , 7,8,9,10 , 11 , 12, 13, 14, 15 , 16 , 17 , 18 , 19, 20 , 21 ,22 , 23 , 24 , 25 , 26):} KMF: LLH :: RMS: ?

For the equilibrium: LiC 1.3 NH(3)(s) hArr LiCl. NH_(3)(s)+2NH_(3) K_(p)=9 atm^(2) at 40^(@)C . A 5-L vessel contains 0.1 "mole" of LiCl.NH_(3) . How many moles of NH_(3) should be added to the flask at this temperature to derive the backward reaction for completion?