Prepare for CBSE class 12 Maths board paper with the help of previous years solved question papers. Vedantu provides CBSE last 5-year Maths question paper with video solutions.

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Purnima Lodha
added on Mon Mar 02 06:35:43 UTC 2015 63 views

Question - Show that the differential equation 2ye^x/y dx + (y – 2x e^x/y) dy = 0 is homogeneous. Find the particular solution of this differential equation, given that x = 0 when y = 1.
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Question - Find the distance of the point (2, 12, 5) from the point of infersection of the line ----------------
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Purnima Lodha
added on Fri Feb 27 06:46:16 UTC 2015 62 views

Question - A factory makes tennis rackets and cricket bats. A tennis racket takes 1.5 hours of machine time and 3 hours of craftsman’s time in its making while a cricket bat takes 3 hours of machine time and 1 hour of craftsman’s time. In a day, the factory has the availability of not more than 42 hours of machine time and 24 hours of craftsman’s time.
If the profit on a racket and on a bat is Rs20 and Rs10 respectively, find the number of tennis rackets and crickets bats that the factory must manufacture to earn the maximum profit. Make it as an L.P.P and solve graphically.
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Purnima Lodha
added on Fri Feb 27 06:04:39 UTC 2015 61 views

Question - Differentiate x -------
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Purnima Lodha
added on Mon Mar 02 06:32:25 UTC 2015 61 views

Question - Assume that the chances of a patient having a heart attack is 40%. Assuming that a meditation and yoga course reduces the risk of heart attack by 30% and prescription of certain drug reduces its chance by 25%. At a time a patient can choose any one of the two options with equal probabilities. It is given that after going through one of the two options, the patient selected at random suffers a heart attack. Find the probability that the patient followed a course of meditation
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Question - Prove that----------
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Purnima Lodha
added on Mon Mar 02 06:34:51 UTC 2015 59 views

Question - Find the vector equation of the plane passing through three points with position vectors --------Also, find the coordinates of the point of intersection of this plane and the line -------
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Purnima Lodha
added on Mon Mar 02 09:20:45 UTC 2015 58 views

Question - Prove that tan^-1 -------------
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Purnima Lodha
added on Mon Mar 02 09:05:12 UTC 2015 58 views

Question - Using the method of method of integration, find the area of the region bounded by the following lines:
3x – y – 3 = 0, 2x + y – 12 = 0, x – 2y – 1 = 0.
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Purnima Lodha
added on Mon Mar 02 09:03:50 UTC 2015 58 views

Question - A girl throws a cie. If she get a 5 OR 6, she tosses a coin three times and notes the number of heads. If she gets 1, 2, 3 OR 4, she tosses a coin two times and notes the number of heads obtained. If she obtained exactly two heads, what is the probability that she threw 1, 2, 3 OR 4 with the die?
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Purnima Lodha
added on Mon Mar 02 08:53:09 UTC 2015 56 views

Question - Using matrices solve the following system of linear equations:
x y 2z 7
3x 4y 5z 5
2x y 3z 12
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Purnima Lodha
added on Mon Mar 02 09:00:44 UTC 2015 55 views

Question - Question - Prove that -------
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Question - If y = Pe^ax + Q e^hx , show that ----------
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Purnima Lodha
added on Mon Mar 02 08:52:13 UTC 2015 54 views

Question - Find the particular solution of the following differential equation: ------
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Purnima Lodha
added on Fri Feb 27 06:37:48 UTC 2015 53 views

Question - Show that of all the rectangles inscribed in a given fixed circle, the square has the maximum area.
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Question - Find the value of p, so that the lines ------------- are perpendicular to each other. Also find the equations of a line passing through a point (3, 2, - 4) and parallel to line l_1.
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Purnima Lodha
added on Mon Mar 02 06:51:19 UTC 2015 53 views

Question - Find the coordinates of the point, where the line -------- intersects the plane x – y + z – 5 = 0. Also find the angle between the line and the plane.
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Purnima Lodha
added on Fri Feb 27 06:00:16 UTC 2015 51 views

Question - Prove the following:
----------
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Purnima Lodha
added on Mon Mar 02 11:23:22 UTC 2015 51 views

Question - Find the value of the following: -------
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Purnima Lodha
added on Fri Feb 27 06:31:40 UTC 2015 51 views

Question - Find a unit vector perpendicular to each of the vector -------
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