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deepaksoniGuru

Asked: March 17, 2021In: ICSE

(i) The sides of a triangle are in the ratio 7: 5: 3 and its perimeter is 30 cm. Find the lengths of sides. (ii) If the angles of a triangle are in the ratio 2: 3: 4, find the angles.

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

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deepaksoniGuru

Asked: March 19, 2021In: ICSE

Given that a³+3ab²/(b³+3a²b) =63/62. Using componendo and dividendo find a: b.

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exam oriented an important question from ML aggarwal, class 10th, chapter 7, ratio and proportion, Avichal publication This question has been ...Read more

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deepaksoniGuru

Asked: March 26, 2021In: ICSE

Ques 11. O is the circumcentre of the triangle ABC and D is mid-point of the base BC. Prove that ∠BOD = ∠A.

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This is the basic and conceptual question from Chapter name- circles Topic – Angle properties of circles Chapter number- 15 It ...Read more

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deepaksoniGuru

Asked: March 31, 2021In: ICSE

Question 13. (a) In the figure (i) given below, ED and BC are two parallel chords of the circle and ABE, ACD are two st. lines. Prove that AED is an isosceles triangle.

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This is an important and exam oriented question from Chapter name- circles Topic – Angle properties of circles Chapter number- ...Read more

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deepaksoniGuru

Asked: April 16, 2021In: ICSE

Question 24. (a) In the figure (i) given below, O is the centre of the circle. The tangent at B and D meet at P. If AB is parallel to CD and ∠ ABC = 55°. find: (i)∠BOD (ii) ∠BPD (b) In the figure (ii) given below. O is the centre of the circle. AB is a diameter, TPT’ is a tangent to the circle at P. If ∠BPT’ = 30°, calculate : (i)∠APT (ii) ∠B OP.

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This is circle based question from Chapter name- circles Topic – Angle properties of circles Chapter number- 15 In the question ...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:(ii) an = (3n – 2)/(4n + 5), a7 and a8

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This is arithmetic progression based question from Chapter name- Arithmetic Progression Chapter number- 9 Exercise – 9.1 We have to find ...Read more

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deepaksoniGuru

Asked: May 27, 2021In: CBSE

Problem 3: In which of the following situations, the sequence of numbers formed will form an A.P.? (iii) Divya deposited Rs 1000 at compound interest at the rate of 10% per annum. The amount at the end of first year, second year, third year, …, and so on.

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This is the basic and conceptual question from Chapter name- Arithmetic Progression Chapter number- 9 Exercise 9.3 We have been given ...Read more

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(i) The sides of a triangle are in the ratio 7: 5: 3 and its perimeter is 30 cm. Find the lengths of sides. (ii) If the angles of a triangle are in the ratio 2: 3: 4, find the angles.

Given that a³+3ab²/(b³+3a²b) =63/62. Using componendo and dividendo find a: b.

Ques 11. O is the circumcentre of the triangle ABC and D is mid-point of the base BC. Prove that ∠BOD = ∠A.

Question 13. (a) In the figure (i) given below, ED and BC are two parallel chords of the circle and ABE, ACD are two st. lines. Prove that AED is an isosceles triangle.

Problem 2: Find the indicated terms in each of the following sequences whose nth terms are:(ii) an = (3n – 2)/(4n + 5), a7 and a8

Problem 3: In which of the following situations, the sequence of numbers formed will form an A.P.? (iii) Divya deposited Rs 1000 at compound interest at the rate of 10% per annum. The amount at the end of first year, second year, third year, …, and so on.