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deepaksoniGuru

Asked: June 29, 2021In: CBSE

Question 6: Find the four numbers in A.P., whose sum is 50 and in which the greatest number is 4 times the least.

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This is the basic and conceptual question from Chapter name- Arithmetic Progression Chapter number- 9 Exercise 9.5 In this question we ...Read more

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Deepak BoraNewbie

Asked: July 1, 2020In: CBSE, ICSE

Find the probability of having 53 Sundays in a leap year, and a non-leap year.

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Find the probability of having 53 Sundays in a leap year. non-leap year.

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Deepak BoraNewbie

Asked: July 14, 2020In: CBSE, ICSE

Find the point on the x-axis which is equidistant from (2, – 5) and (- 2, 9).

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Use the distance formula to find the points on the x-axis which is equidistant from (2, – 5) and (- ...Read more

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Deepak BoraNewbie

Asked: July 16, 2020In: ICSE

if a/b = c/d = e/f ,prove that (a^3 + b^3)^2 / (b^3 + d^3)^2 = e^6 / f^6

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Ratio and proportion

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Deepak BoraNewbie

Asked: August 29, 2020In: CBSE

Three cubes of a metal whose edges are in the ratio 3 : 4 : 5 are melted and converted into a single cube whose diagonal is 12√3 cm. Find the edges of the three cubes.

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in the given problem ratio of three cube edges are given. This question was asked in 2013 cbse board exam. Question ...Read more

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Deepak BoraNewbie

Asked: September 10, 2020In: CBSE

90% and 97% pure acid solutions are mixed to obtain 21 litres of 95% pure acid solution. Find the quantity of each type of acid to be mixed to form the mixture.

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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 18, 2020In: CBSE, ICSE

If 2/x+3/y=9/xy and 4/x+9/y=21/xy find the values of x and y.

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In this Question an linear Equation of two variables is given you have to find the value of x and ...Read more

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Question 6: Find the four numbers in A.P., whose sum is 50 and in which the greatest number is 4 times the least.

Find the probability of having 53 Sundays in a leap year, and a non-leap year.

Find the point on the x-axis which is equidistant from (2, – 5) and (- 2, 9).

if a/b = c/d = e/f ,prove that (a^3 + b^3)^2 / (b^3 + d^3)^2 = e^6 / f^6

Three cubes of a metal whose edges are in the ratio 3 : 4 : 5 are melted and converted into a single cube whose diagonal is 12√3 cm. Find the edges of the three cubes.

90% and 97% pure acid solutions are mixed to obtain 21 litres of 95% pure acid solution. Find the quantity of each type of acid to be mixed to form the mixture.

If 2/x+3/y=9/xy and 4/x+9/y=21/xy find the values of x and y.