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Deepak BoraNewbie

Asked: September 23, 2020In: CBSE

Find the common difference. If 17th term of an A.P exceeds its 10th term by 7.

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The question is given from NCERT Book of class 10th Ch. no. 5 Ex. 5.2 Q. 10. In the following ...Read more

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Deepak BoraNewbie

Asked: September 25, 2020In: ICSE

A rectangular sheet of tin foil of size 30 cm × 18 cm can be rolled to form a cylinder in two ways along length and along breadth. Find the ratio of volumes of the two cylinders thus formed.

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This question is Based on Mensuration Chapter of M.L Aggarwal book for ICSE BOARD for class 10. Here size of ...Read more

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deepaksoniGuru

Asked: March 16, 2021In: ICSE

(i) 1/ (sec A + tan A) – 1/cos A = 1/cos A – 1/(sec A – tan A) (ii) (sin A + sec A)2 + (cos A + cosec A)2 = (1 + sec A cosec A)2 (iii) (tan A + sin A)/ (tan A – sin A) = (sec A + 1)/ (sec A – 1)

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This is an important question from the Book- ML Aggarwal Board- ICSE Publication- Avichal Chapter- Trigonometric Identities Chapter number-18 We. Have ...Read more

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deepaksoniGuru

Asked: April 15, 2021In: ICSE

Question 15. Calculate the length of a direct common tangent to two circles of radii 3 cm and 8 cm with their centres 13 cm apart.

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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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AnilSinghBoraGuru

Asked: February 15, 2022In: ICSE

Point P(5,−3) is one of the two points of trisection of the line segment joining the points A(7,−2) and B(1,−5). State true or false and justify your answer.

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This is a very tricky question, i guess the solution will be very easy but right now i am not ...Read more

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AnilSinghBoraGuru

Asked: July 8, 2022In: CBSE

The radii of two cylinders are in the ratio of 1: √ 3. If the volumes of two cylinders be same, find the ratio of their respective heights.

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Please solve this question here the radii of two cylinders are given in the ratio 1:√ 3.and if their volumes ...Read more

1

Deepak BoraNewbie

Asked: July 19, 2020In: CBSE

Find the value of m so that the quadratic equation mx (x – 7) + 49 = 0 has two equal roots.

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Quadratic equation class 10, find the value of discriminant, and the value of D is 0 if roots are equal. ...Read more

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Find the common difference. If 17th term of an A.P exceeds its 10th term by 7.

A rectangular sheet of tin foil of size 30 cm × 18 cm can be rolled to form a cylinder in two ways along length and along breadth. Find the ratio of volumes of the two cylinders thus formed.

(i) 1/ (sec A + tan A) – 1/cos A = 1/cos A – 1/(sec A – tan A) (ii) (sin A + sec A)2 + (cos A + cosec A)2 = (1 + sec A cosec A)2 (iii) (tan A + sin A)/ (tan A – sin A) = (sec A + 1)/ (sec A – 1)

Question 15. Calculate the length of a direct common tangent to two circles of radii 3 cm and 8 cm with their centres 13 cm apart.

Point P(5,−3) is one of the two points of trisection of the line segment joining the points A(7,−2) and B(1,−5). State true or false and justify your answer.

The radii of two cylinders are in the ratio of 1: √ 3. If the volumes of two cylinders be same, find the ratio of their respective heights.

Find the value of m so that the quadratic equation mx (x – 7) + 49 = 0 has two equal roots.