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deepaksoniGuru

Asked: March 19, 2021In: ICSE

If x=root(a+x) +root(a−1) /root(a+1) −root(a−1) , using properties of proportion , show that x² – 2ax + 1 = 0

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

deepaksoniGuru

Asked: March 26, 2021In: ICSE

(a) In the figure (i) given below, straight lines AB and CD pass through the centre O of a circle. If ∠OCE = 40° and ∠AOD = 75°, find the number of degrees in : (i) ∠CDE (ii) ∠OBE.

Sorry it's a private question.

deepaksoniGuru

Asked: March 31, 2021In: ICSE

Question 11. (a) In the figure (i) given below, O is the centre of the circle. If ∠COD = 40° and ∠CBE = 100°, then find : (i) ∠ADC (ii) ∠DAC (iii) ∠ODA (iv) ∠OCA. (b) In the figure (ii) given below, O is the centre of the circle. If ∠BAD = 75° and BC = CD, find : (i) ∠BOD (ii) ∠BCD (iii) ∠BOC (iv) ∠OBD

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

-1

deepaksoniGuru

Asked: April 15, 2021In: ICSE

Question 22. (a) In the figure (i) given below, O is the centre of the circle and SP is a tangent. If ∠SRT = 65°, find the value of x, y and z. (2015) (b) In the figure (ii) given below, O is the centre of the circle. PS and PT are tangents and ∠SPT = 84°. Calculate the sizes of the angles TOS and TQS.

-1

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

deepaksoniGuru

Asked: April 29, 2021In: CBSE

Question 1):- Write the first terms of each of the following sequences whose nth term is (ix) an = (2n – 3)/ 6

One of the most important and exam oriented question from Chapter name- Arithmetic Progression Class 10th Chapter number- 9 Exercise ...Read more

deepaksoniGuru

Asked: May 27, 2021In: CBSE

Problem 3: In which of the following situations, the sequence of numbers formed will form an A.P.? (i) The cost of digging a well for the first metre is ₹ 150 and rises by ₹ 20 for each succeeding metre.

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

deepaksoniGuru

Asked: June 13, 2021In: CBSE

Question 2. Find: (i) Which term of the AP 3, 8, 13, …. is 248?

One of the most important and exam oriented question from Chapter name- Arithmetic Progression Class 10th Chapter number- 9 Exercise ...Read more

1 … 247 248 249 … 377

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If x=root(a+x) +root(a−1) /root(a+1) −root(a−1) , using properties of proportion , show that x² – 2ax + 1 = 0

(a) In the figure (i) given below, straight lines AB and CD pass through the centre O of a circle. If ∠OCE = 40° and ∠AOD = 75°, find the number of degrees in : (i) ∠CDE (ii) ∠OBE.

Question 1):- Write the first terms of each of the following sequences whose nth term is (ix) an = (2n – 3)/ 6

Problem 3: In which of the following situations, the sequence of numbers formed will form an A.P.? (i) The cost of digging a well for the first metre is ₹ 150 and rises by ₹ 20 for each succeeding metre.

Question 2. Find: (i) Which term of the AP 3, 8, 13, …. is 248?