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## Question 17. Two circles with centres A, B are of radii 6 cm and 3 cm respectively. If AB = 15 cm, find the length of a transverse common tangent to these circles.

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One of the most important and exam oriented question from Chapter name- circles Topic – Angle properties of circles Chapter ...Read more

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Newbie

## The Centre of a circle whose end points of a diameter are (-6, 3) and (6, 4) is

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CBSE 10th Class Mathematics Past year question paper Year 2020 SET 1, Code Number  – 30/2/1 Question Number –  3 [b] circle problem circle ...Read more

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## If the 5th and 12th terms of an AP are -4 and -18 respectively, find the sum of first 20 terms of the AP.

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Here the two terms of an AP is given you have to find the sum of first n term of ...Read more

• 5
Newbie

## In the given figure, from an external point P, two tangents PQ and PR are drawn to a circle of radius 4 cm with Centre O. If ∠QPR = 90° , then length of PQ is

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CBSE 10th Class Mathematics Past year question paper Year 2020 SET 1, Code Number  – 30/2/1 Question Number –  10Read more

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Newbie

## Which book is the best to prepare for Logical Reasoning questions that comes in Competitions, like Sainik School Entrance Exams?

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Hello Sir, Please suggest me the best book available in the stores. I need to purchase a book that will ...Read more

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## 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). Q.2

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How i solve the question of class 9th ncert math of Statistics chapter of exercise 14.2  of question no 2 ...Read more

• 4

## Two poles of heights 6 m and 11 m stand on a plane ground. If the distance between the feet of the poles is 12 m, find the distance between their tops. Q.12

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How i solve this important question of triangles chapter of class 10th math of exercise6.5 of question no 12 because ...Read more