Selina class 8 maths

Selina class 8 maths

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Prove that: i E is equidistant from A and B. Given points A l, 5 , B -3,7 and C 15,9. By drawing an ogive; estimate the median for the following frequency distribution : Solution: Through mark of 28th on the y- axis, draw a line parallel to x-axis which meets the curve at A.

A pool has a uniform circular cross-section of radius 5 m and uniform depth 1. Find the marked price of the pair of shoes. U na{ oj zemlji reforma socijalne za{tite, u smislu izmena zakona, jo{ uvek nije.

A circle, with centre O, has been inscribed inside the triangle. Amazon Kindle 3, a sample e-book reader. Students will get a better grasp of this chapter with the help of these solutions. Understand the syllabus; this will help you know what exactly is expected from you. Together they can do the work in 6 days. Find the equation of the other diagonal and the coordinates of the centre of the square. Find: i the length ii the volume of the wire Solution: Question 92. Solution: Arranging the given data in descending order. If you have any doubts, please comment below. Find : i the length of the ship, if the length of its model is 1. The product of the given number and the sum of its digits is equal to 144.

Selina ICSE Solutions for Class 10 Maths Archives - It is not simple to score 100% in Maths, but here are some keys for that: 1. Show that the points a, b , a+3, b+4 , a -1, b + 7 and a — 4, b + 3 are the vertices of a parallelogram.

A student got the following marks in 9 questions of a question paper : 3, 5, 7, 3, 8, 0, 1, 4 and 6. Find the median of these marks. The weights in kg of 10 students of a class are given below : 21, 28. Solution: Arranging the given data in descending order. The marks obtained by 19 students of a class are given below : 27, 36, 22, 31, 25, 26, 33, 24, 37, 32, 29, 28, 36, 35, 27, 26, 32, 35, 28. Find : i Media ii Lower quartile iii Upper quartile iv Inter — quartle range Solution: i Arranging in order say ascending, we get 22, 24, 25, 26, 26, 27, 27, 28, 28, 29, 31, 32, 32, 33, 35, 35,36, 36, 37 Middle term is 10th term i. From the following data, find : i Median ii Upper quartile iii Inter-quartile range 25,10, 40, 88, 45, 60, 77, 36,18, 95, 56, 65, 7, 0, 38 and 83. Solution: i Arrange in ascending order, we get 0,7, 10, 18, 25, 36, 38, 40, 45, 56, 60, 65 ,77, 83, 88, 95 Question 5. The ages of 37 students in a class are given in the following table : Find the median. The weight of 60 boys are given in the following distribution table : Find : i Median ii Lower quartile iii Upper quartile iv Inter-quartile range Solution: Question 7. Estimate the median for the given data by selina class 8 maths ogive : Solution: Through mark of 25. From A, draw a perpendicular to x-axis, which meets x-axis at B. By drawing an ogive; estimate the median for the following frequency distribution : Solution: Through mark of 28th on the y- axis, draw a line parallel to x-axis which meets the curve at A. From A, draw a perpendicular line segment to x- axis. Which meets it at B. From the following cumulative frequency table, draw ogive and then use it to find : i Median, ii Lower quartile, iii Upper quartile. In a school 100 pupils have heights as tabulated below: Find the median height by drawing an ogive. Solution: Through mark 50, draw a line parallel to x- axis which meets the curve at A. From A, draw per-pendicular to x-axis which meets x-axis at B is the median which is 148 cm. Attempt this question on a graph paper. The table shows the distribution of marks gained by a group of selina class 8 maths students in an examination : Using a scale of 2 cm to represent 10 marks and 2 cm to represent 50 students, plot these points and draw a smooth curve through the points Estimate from the graph : i Median marks ii quartile marks. Attempt this question on graph paper. From A, draw a line segment perpendicular to x-axis meeting it at B. Through 21 on the y-axis draw a line parallel to x-axis meeting the curve at M From M, draw a perpendicular on x-axis which meets it at N. If you have any doubts, please comment below.