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deepaksoniGuru

Asked: March 15, 2021In: ICSE

Without using trigonometric tables, evaluate the following (i) (sin 35o cos 55o + cos 35o sin 55 o)/ (cosec2 10o – tan2 80 o) (ii) sin2 34o + sin2 56o + 2 tan18o tan 72o – cot2 30o

This ques has been asked in 2010. So it is very important ques. This ques has been taken from the Book ...Read more

deepaksoniGuru

Asked: March 16, 2021In: ICSE

Mr. Gupta-opened a recurring deposit account in a bank. He deposited Rs. 2500 per month for two years. At the time of maturity he got Rs. 67500. Find : (i) the total interest earned by Mr. Gupta. (ii) the rate of interest per annum.

This is an important question from the Book- ML Aggarwal Board- ICSE Publication- Avichal Chapter- Banking Chapter number-2 This question ...Read more

deepaksoniGuru

Asked: March 16, 2021In: ICSE

An aeroplane travelled a distance of 400 km at an average speed of x km/hr. On the return journey, the speed was increased by 40 km/hr. Write down an expression for the time taken for (i)the onward journey, (ii) the return journey. If the return journey took 30 minutes less than the onward journey, write down an equation in x and find its value

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 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.

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

deepaksoniGuru

Asked: March 19, 2021In: ICSE

If x=2ab/(a+b) find the value of x+a/x−a+x+b/x−b

This is very important and famous question of this pattern, and has been asked in exam many a time Question no. ...Read more

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.

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

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

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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Without using trigonometric tables, evaluate the following (i) (sin 35o cos 55o + cos 35o sin 55 o)/ (cosec2 10o – tan2 80 o) (ii) sin2 34o + sin2 56o + 2 tan18o tan 72o – cot2 30o

Mr. Gupta-opened a recurring deposit account in a bank. He deposited Rs. 2500 per month for two years. At the time of maturity he got Rs. 67500. Find : (i) the total interest earned by Mr. Gupta. (ii) the rate of interest per annum.

(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.

If x=2ab/(a+b) find the value of x+a/x−a+x+b/x−b

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.

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