Question 38 (i) - CBSE Class 10 Sample Paper for 2026 Boards - Maths Basic - Solutions of Sample Papers for Class 10 Boards

Last updated at Sept. 10, 2025 by Teachoo

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Question 38 (Case Based Questions) One of four main blood types can be found in a human body. They are known as A, B, AB and O. Each blood type can be further classified as either a Rhesus positive (+) or Rhesus negative (−). For example, a possible combination is blood type O and Rhesus negative which is written as O– The data below shows the distribution of the blood types and Rhesus types of given blood type for a Blood Donation Center recorded (in percentages) for the year 2023. Question 38 (i) Find the value of 𝒙.Now, Total percentage = 100 x + 30 + 8 + 24 + 6 + 18 + 1 + 3 = 100 x + 90 = 100 x = 100 – 90 x = 10

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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 15 years. He provides courses for Maths, Science and Computer Science at Teachoo

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