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deepaksoniGuru

Asked: March 16, 2021In: ICSE

(i) The sum of the ages of Vivek and his younger brother Amit is 47 years. The product of their ages in years is 550. Find their ages. (ii) Paul is x years old and his father’s age is twice the square of Paul’s age. Ten years hence, the father’s age will be four times Paul’s age. Find their present ages.

This question has been taken from Book:- ML aggarwal, Avichal publication, class10th, quadratic equation in one variable, chapter 5, exercise ...Read more

deepaksoniGuru

Asked: March 18, 2021In: ICSE

If k + 3, k + 2, 3k – 7 and 2k – 3 are in proportion, find k.

This is an important ques from the Book ML Aggarwal class 10th,, chapter – 7, ratio and proportion. Here four numbers ...Read more

deepaksoniGuru

Asked: March 19, 2021In: ICSE

Using the properties of proportion, solve the following equation for x; given x³+3x/3x²+1=341/91

This is an important ques from the Book ML Aggarwal class 10th,, chapter – 7, ratio and proportion. We have been ...Read more

deepaksoniGuru

Asked: March 26, 2021In: ICSE

Question 13. (a) In the figure (i) given below, AB is a diameter of a circle with centre O. AC and BD are perpendiculars on a line PQ. BD meets the circle at E. Prove that AC = ED. (b) In the figure (ii) given below, O is the centre of a circle. Chord CD is parallel to the diameter AB. If ∠ABC = 25°, calculate ∠CED.

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

deepaksoniGuru

Asked: March 31, 2021In: ICSE

Question 14. In the given figure, ABC is an isosceles triangle in which AB = AC and circle passing through B and C intersects sides AB and AC at points D and E. Prove that DE || BC.

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

deepaksoniGuru

Asked: April 16, 2021In: ICSE

Question 26. In a triangle ABC, the incircle (centre O) touches BC, CA and AB at P, Q and R respectively. Calculate (i) ∠QOR (ii) ∠QPR given that ∠A = 60°.

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

deepaksoniGuru

Asked: April 30, 2021In: CBSE

Problem 2: Find the indicated terms in each of the following sequences whose nth terms are(iv) an = (n – 1)(2 – n)(3 + n); a1, a2, a3

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

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If k + 3, k + 2, 3k – 7 and 2k – 3 are in proportion, find k.

Using the properties of proportion, solve the following equation for x; given x³+3x/3x²+1=341/91

Question 14. In the given figure, ABC is an isosceles triangle in which AB = AC and circle passing through B and C intersects sides AB and AC at points D and E. Prove that DE || BC.

Question 26. In a triangle ABC, the incircle (centre O) touches BC, CA and AB at P, Q and R respectively. Calculate (i) ∠QOR (ii) ∠QPR given that ∠A = 60°.

Problem 2: Find the indicated terms in each of the following sequences whose nth terms are(iv) an = (n – 1)(2 – n)(3 + n); a1, a2, a3