Std 10 Standard Maths Gujarat Board Exam 2022 Section A & B

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The mean and standard deviation of marks obtained by sections A and B are : {:(,"Series A" , "Series B") , ("Mean" , 20 , 21), (S.D. , 6 , 9):} Which series shows lower variation ?

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Figure shows a liquid of densith 1200kgm^-3 flowing steadily in a tube of varying cross section. The cross section at a point A is 1.0cm^2 and that at B is 20mm^2 , the points A and B are in the same horizontal plane.The speed of the liquid at A is 10 cms^-1 . Calculate the difference in pressure at A and B.

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Two sections of class 10^(th) A and B have 30 and 35 students respectively. Average score of Maths of section A is 70 and average score of section A and B is 62. Find the average score of section B.

The means and standard devation of the marks of 200 candidates in half early exam were found to be 40 and 15 respectively. The marks of the candidates exceeds their marks by 10 in final exam. The mean and standard deviation of the marks in final exam are respectively ?

Read the data given below and answer the questions based on it. There were 3 sections namely A, B and C in a test. Out of three 33 students passed in section A, 34 students passed in Section B and 32 passed in Section C. 10 students passed in Section A and Section B, 9 passed in Section B and Section C, 8 passed in Section A and Section C. The number of students who passed each section alone was equal and was 21 for each section. The ratio of the number of students passed in one or more of the sections to the number of students who passed in section A alone is : A. 78/21 B. 3 C. 73/21 D. 75/21

Direction: Read the data given below and answer the question based on it. There were 3 sections namely A, B and C in a test. Out of three sections, 33 students passed in Section A, 34 students passed in Section B and 32 passed in Section C. 10 students passed in Section A and Section B, 9 passed in Section B and Section C, 8 passed in Section A and Section C. The number of students who passed each section alone was equal and was 21 for each section.How many passed only one of the three sections ? A. 21 B. 42 C. 63 D. 52