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Deepak BoraNewbie

Asked: August 12, 2020In: CBSE

A solid cone of base radius 10 cm is cut into two parts through the midpoint of its height, by a plane parallel to its base. Find the ratio of the volumes of the two parts of the cone.

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This question was asked in 2013 cbse board exam. Problem from RS Aggarwal book, problem number 17, page number 824, exercise ...Read more

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Deepak BoraNewbie

Asked: August 29, 2020In: CBSE

The radii of two cylinders are in the ratio of 2 : 3 and their heights are in the ratio of 5 : 3. Find the ratio of their volumes.

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Problem from RS Aggarwal book, problem number 9, page number 826, exercise 17D, chapter volume and surface area of solid. ...Read more

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Deepak BoraNewbie

Asked: August 31, 2020In: CBSE, Competition, ICSE, IIT

Argument of a Complex Number

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Why does the Principal Argument of any Complex Number lie between -π to π. ? Isn’t that the Equivalent of ...Read more

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Deepak BoraNewbie

Asked: September 8, 2020In: CBSE, ICSE

A train covered a certain distance at a uniform speed. If the train had been 5kmph faster, it would have taken 3 hours less than the scheduled time. And, if the train were slower by 4 kmph, it would have taken 3 hours more than the scheduled time. find the length of the journey.

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An Important question based on Linear Equations in two Variables Chapter of R.S Aggarwal book for ICSE & CBSE ...Read more

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Deepak BoraNewbie

Asked: September 16, 2020In: ICSE

Find the gradient of a line passing through the following pairs of points. (i) (0, – 2), (3, 4) , (ii) (3, – 7), (– 1, 8)

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An Important Question of M.L Aggarwal book of class 10 Based on Equation of a Straight Line Chapter for ICSE ...Read more

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Deepak BoraNewbie

Asked: September 18, 2020In: CBSE, ICSE

Write the number of solutions of the following pair of linear equations: x+2y-8=0, 2x+4y=16

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This is the Important question based on Linear Equations in two Variables Chapter of R.S Aggarwal book for ICSE & ...Read more

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Deepak BoraNewbie

Asked: September 24, 2020In: CBSE

Ramkali saved Rs 5 in the 1st week of a year and then increased her weekly saving by Rs 1.75. If in the nth week, her weekly savings become Rs 20.75, Find the value of n.

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The question is given from ncert Book of class 10th Chapter no. 5 Ex. 5.2 Q. 20. In the following ...Read more

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A solid cone of base radius 10 cm is cut into two parts through the midpoint of its height, by a plane parallel to its base. Find the ratio of the volumes of the two parts of the cone.

The radii of two cylinders are in the ratio of 2 : 3 and their heights are in the ratio of 5 : 3. Find the ratio of their volumes.

Argument of a Complex Number

A train covered a certain distance at a uniform speed. If the train had been 5kmph faster, it would have taken 3 hours less than the scheduled time. And, if the train were slower by 4 kmph, it would have taken 3 hours more than the scheduled time. find the length of the journey.

Find the gradient of a line passing through the following pairs of points. (i) (0, – 2), (3, 4) , (ii) (3, – 7), (– 1, 8)

Write the number of solutions of the following pair of linear equations: x+2y-8=0, 2x+4y=16

Ramkali saved Rs 5 in the 1st week of a year and then increased her weekly saving by Rs 1.75. If in the nth week, her weekly savings become Rs 20.75, Find the value of n.