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mehakNewbie

Asked: June 28, 2023In: CBSE

4. Find the roots of equation 9×2 – 3x – 2 = 0.

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Explain, how did we split the number in the equation. How to find the roots? Class 10th, Statistics, Rd sharma, Mathematics.

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mehakNewbie

Asked: July 31, 2023In: CBSE

17. A copper rod of diameter 1 cm and length 8 cm is drawn into a wire of length 18 m of uniform thickness. Find the thickness of the wire.

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Explain the question using, formulas given in the chapter. Class 10th, Cbse, RD Sharma, Surface area and volumes.

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deepaksoniGuru

Asked: March 10, 2021In: ICSE

A man invests rs.6750 , partly in shares of 6% at rs.140 and partly in shares of 5% at 125 rs. if his total income is rs 280 , how much has he invested in each?

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an important question from the book -ML aggarwal( avichal publication)class 10th , chapter3, shares and dividends ……..this question once asked ...Read more

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deepaksoniGuru

Asked: March 11, 2021In: ICSE

The shadow of a vertical tower on a level ground increases by 10 m when the altitude of the sun changes from 450 to 300. Find the height of the tower, correct to two decimal places.

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sir this is the question from the book -ML aggarwal( avichal publication) class 10th , chapter20 , heights and distancesRead more

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deepaksoniGuru

Asked: March 15, 2021In: ICSE

(i) tan A + cot A = sec A cosec A (ii) (1 – cos A) (1 + sec A) = tan A sin A

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This ques has been taken from Book- ML Aggarwal Board- ICSE Publication- Avichal Chapter- Trigonometric Identities Chapter number-18 We hage have to ...Read more

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deepaksoniGuru

Asked: March 16, 2021In: ICSE

Mohan has a recurring deposit account in a bank for 2 years at 6% p.a. simple interest. If he gets Rs 1200 as interest at the time of maturity, find: (i) the monthly instalment (ii) the amount of maturity.

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

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deepaksoniGuru

Asked: March 16, 2021In: ICSE

The distance by road between two towns A and B, is 216 km, and by rail it is 208 km. A car travels at a speed of x km/hr, and the train travels at a speed which is 16 km/hr faster than the car. Calculate : (i) The time taken by the car, to reach town B from A, in terms of x ; (ii) The time taken by the train, to reach town B from A, in terms of x ; (iii) If the train takes 2 hours less than the car, to reach town B, obtain an equation in x and solve it. (iv) Hence find the speed of the train.

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

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4. Find the roots of equation 9×2 – 3x – 2 = 0.

17. A copper rod of diameter 1 cm and length 8 cm is drawn into a wire of length 18 m of uniform thickness. Find the thickness of the wire.

A man invests rs.6750 , partly in shares of 6% at rs.140 and partly in shares of 5% at 125 rs. if his total income is rs 280 , how much has he invested in each?

The shadow of a vertical tower on a level ground increases by 10 m when the altitude of the sun changes from 450 to 300. Find the height of the tower, correct to two decimal places.

(i) tan A + cot A = sec A cosec A (ii) (1 – cos A) (1 + sec A) = tan A sin A

Mohan has a recurring deposit account in a bank for 2 years at 6% p.a. simple interest. If he gets Rs 1200 as interest at the time of maturity, find: (i) the monthly instalment (ii) the amount of maturity.