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deepaksoniGuru

Asked: March 17, 2021In: ICSE

Find the compounded ratio of: (i) 2: 3 and 4: 9 (ii) 4: 5, 5: 7 and 9: 11 (iii) (a – b): (a + b), (a + b)2: (a2 + b2) and (a4 – b4): (a2 – b2)2

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Question no.2 From ML aggarwal book, class10, chapter 7, ratio and proportion We have been given two ratios in forms of ...Read more

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deepaksoniGuru

Asked: March 18, 2021In: ICSE

If b is the mean proportional between a and c, prove that (ab + bc) is the mean proportional between (a2 + b2) and (b2 + c2).

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Question no.13 From ML aggarwal book, class10, chapter 7, ratio and proportion In this ques it is given that if b ...Read more

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deepaksoniGuru

Asked: March 25, 2021In: ICSE

Using the given information, find the value of x in each of the following figures

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This is an important and exam oriented question from Chapter name- circles Topic – Angle properties of circles Chapter number- 15 In this ...Read more

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deepaksoniGuru

Asked: March 26, 2021In: ICSE

Question 17. (a) In the figure (i) given below, chords AB and CD of a circle intersect at E. (i) Prove that triangles ADE and CBE are similar. (ii) Given DC =12 cm, DE = 4 cm and AE = 16 cm, calculate the length of BE.

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

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deepaksoniGuru

Asked: April 16, 2021In: ICSE

Question 29. Two chords AB, CD of a circle intersect internally at a point P. If (i) AP = cm, PB = 4 cm and PD = 3 cm, find PC. (ii) AB = 12 cm, AP = 2 cm, PC = 5 cm, find PD. (iii) AP = 5 cm, PB = 6 cm and CD = 13 cm, find CP.

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

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deepaksoniGuru

Asked: April 30, 2021In: CBSE

Problem 3: Find the next five terms of each of the following sequence given by:(iv) a1 = 4, an = 4an – 1 + 3, n > 1

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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 6: Find out which of the following sequences are arithmetic progressions. For those which are arithmetic progressions, find out the common difference..(ii) 0, -4, -8, -12, …………………………………………

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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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Find the compounded ratio of: (i) 2: 3 and 4: 9 (ii) 4: 5, 5: 7 and 9: 11 (iii) (a – b): (a + b), (a + b)2: (a2 + b2) and (a4 – b4): (a2 – b2)2

If b is the mean proportional between a and c, prove that (ab + bc) is the mean proportional between (a2 + b2) and (b2 + c2).

Using the given information, find the value of x in each of the following figures

Question 17. (a) In the figure (i) given below, chords AB and CD of a circle intersect at E. (i) Prove that triangles ADE and CBE are similar. (ii) Given DC =12 cm, DE = 4 cm and AE = 16 cm, calculate the length of BE.

Question 29. Two chords AB, CD of a circle intersect internally at a point P. If (i) AP = cm, PB = 4 cm and PD = 3 cm, find PC. (ii) AB = 12 cm, AP = 2 cm, PC = 5 cm, find PD. (iii) AP = 5 cm, PB = 6 cm and CD = 13 cm, find CP.

Problem 3: Find the next five terms of each of the following sequence given by:(iv) a1 = 4, an = 4an – 1 + 3, n > 1

Problem 6: Find out which of the following sequences are arithmetic progressions. For those which are arithmetic progressions, find out the common difference..(ii) 0, -4, -8, -12, …………………………………………