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deepaksoniGuru

Asked: March 18, 2021In: ICSE

If x + 5 is the mean proportion between x + 2 and x + 9, find the value of x.

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This is an important ques from the Book ML Aggarwal class 10th,, chapter – 7, ratio and proportion. In this question ...Read more

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deepaksoniGuru

Asked: March 19, 2021In: ICSE

If x+y/ax+by=y+z/ay+bz=z+x/az+bx , prove that each of these ratio is equal to 2/a+b unless x + y + z = 0

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exam oriented an important question from ML aggarwal, class 10th, chapter 7, ratio and proportion, Avichal publication In this question ques ...Read more

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deepaksoniGuru

Asked: March 26, 2021In: ICSE

Question 14. In the adjoining figure, O is the centre of the given circle and OABC is a parallelogram. BC is produced to meet the circle at D. Prove that ∠ABC = 2 ∠OAD.

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This is circle based question from Chapter name- circles Topic – Angle properties of circles Chapter number- 15 In the ques ...Read more

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deepaksoniGuru

Asked: March 31, 2021In: ICSE

Question 15. (a) Prove that a cyclic parallelogram is a rectangle. (b) Prove that a cyclic rhombus is a square.

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This is circle based question from Chapter name- circles Topic – Angle properties of circles Chapter number- 15 By using properties ...Read more

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deepaksoniGuru

Asked: April 16, 2021In: ICSE

Question 27. (a) In the figure (0 given below, AB is a diameter. The tangent at C meets AB produced at Q, ∠CAB = 34°. Find (i) ∠CBA (ii) ∠CQA

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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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deepaksoniGuru

Asked: April 30, 2021In: CBSE

Problem 2: Find the indicated terms in each of the following sequences whose nth terms are:(v) an = (-1)n.n; a3, a5, a8

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This is the basic and conceptual question from Chapter name- Arithmetic Progression Chapter number- 9 Exercise 9.1 We have to ...Read more

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deepaksoniGuru

Asked: May 27, 2021In: CBSE

Problem 4: Find the common difference and write the next four terms of each of the following arithmetic progressions: 21 (iii) -1, 1/4, 3/2, ……..

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This is the basic and conceptual question from Chapter name- Arithmetic Progression Chapter number- 9 Exercise 9.3 In this question we ...Read more

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If x + 5 is the mean proportion between x + 2 and x + 9, find the value of x.

If x+y/ax+by=y+z/ay+bz=z+x/az+bx , prove that each of these ratio is equal to 2/a+b unless x + y + z = 0

Question 14. In the adjoining figure, O is the centre of the given circle and OABC is a parallelogram. BC is produced to meet the circle at D. Prove that ∠ABC = 2 ∠OAD.

Question 15. (a) Prove that a cyclic parallelogram is a rectangle. (b) Prove that a cyclic rhombus is a square.

Question 27. (a) In the figure (0 given below, AB is a diameter. The tangent at C meets AB produced at Q, ∠CAB = 34°. Find (i) ∠CBA (ii) ∠CQA

Problem 2: Find the indicated terms in each of the following sequences whose nth terms are:(v) an = (-1)n.n; a3, a5, a8

Problem 4: Find the common difference and write the next four terms of each of the following arithmetic progressions: 21 (iii) -1, 1/4, 3/2, ……..