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RBSE Class 12 Maths Model Paper 3 English Medium

March 7, 2019 by Veer Leave a Comment

RBSE Class 12 Maths Model Paper 3 English Medium are part of RBSE Class 12 Maths Board Model Papers. Here we have given RBSE Class 12 Maths Sample Paper 3 English Medium.

Board RBSE
Textbook SIERT, Rajasthan
Class Class 12
Subject Maths
Paper Set Model Paper 3
Category RBSE Model Papers

RBSE Class 12 Maths Sample Paper 3 English Medium

Time – 3 ¼ Hours
Maximum Marks: 80

General instructions to the examines

  1. Candidate must write first his/her Roll No. on the question paper compulsorily.
  2. All the questions are compulsory.
  3. Write the answer to each question in the given answer book only.
  4. For questions having more than one part, the answers to those parts are to be written together in continuity.

Section – A

Question 1.
If ‘*’ is addition modulo 5 on z, find (2 * 3) * 4. [1]

Question 2.
Find the value of tan-15 + tan-1\(\frac{1}{5}\) [1]

Question 3.
RBSE Class 12 Maths Model Paper 3 English Medium 1 [1]

RBSE Class 12 Maths Model Paper 3 English Medium

Question 4.
RBSE Class 12 Maths Model Paper 3 English Medium 2 [1]

Question 5.
Evaluate \(\int \frac{1-\tan x}{1+\tan x} d x\) [1]

Question 6.
Find the sum of vector \(\vec{a}=\hat{i}-2 \hat{j}+\hat{k}, \vec{b}=-2 \hat{i}+4 \hat{j}+5 \hat{k} \text { and } \vec{c}=\hat{i}-6 \hat{j}-7 \hat{k}\) [1]

Question 7.
Find the volume of parallelepiped whose coterminous edges are given by the vectors \(\vec{a}=4 \hat{i}-3 \hat{j}+\hat{k}, \vec{b}=3 \hat{i}+2 \hat{j}-\hat{k} \text { and } \vec{c}=3 \hat{i}-\hat{j}+2 \hat{k}\) [1]

Question 8.
Find the equation of a line in vector form which passes through the origin and (5, -2, 3) [1]

Question 9.
Construct feasible region of the following constraint : 2x + y ≤ 500, x, y ≥ 0 [1]

Question 10.
A bag contains 5 white, 7 red and 8 black balls. If 4 balls are drawn without replacement find the probability of getting all white balls. [1]

RBSE Class 12 Maths Model Paper 3 English Medium

Section – B

Question 11.
RBSE Class 12 Maths Model Paper 3 English Medium 3 [2]

Question 12.
RBSE Class 12 Maths Model Paper 3 English Medium 4 [2]

Question 13.
RBSE Class 12 Maths Model Paper 3 English Medium 5 [2]

Question 14.
RBSE Class 12 Maths Model Paper 3 English Medium 6 [2]

Question 15.
Find the value of \(|\vec{a} \times \vec{b}| \text { of }|\vec{a}|=10,|\vec{b}|=2 \text { and } \vec{a} \cdot \vec{b}=12\) [2]

Section – C

Question 16.
RBSE Class 12 Maths Model Paper 3 English Medium 7 [3]
OR
RBSE Class 12 Maths Model Paper 3 English Medium 8

RBSE Class 12 Maths Model Paper 3 English Medium

Question 17.
RBSE Class 12 Maths Model Paper 3 English Medium 9 [3]

Question 18.
RBSE Class 12 Maths Model Paper 3 English Medium 10 [3]

Question 19.
Find the interval in which the function f(x) = sinx – cosx is increasing or decreasing when x ∈ [0, π] [3]

Question 20.
Find the maximum and minimum value of the function [3]
f(x) = 3x4 – 2x3 – 6x2 + 6x + 1, x ∈ (0, 2]

Question 21.
Evaluate \(\int \frac{x^{2}}{\left(x^{2}+a^{2}\right)\left(x^{2}+b^{2}\right)} d x\) [3]
OR
Find \(\int \frac{\sin (\log x)}{x^{3}} d x\)

Question 22.
Find the area enclosed by the lines x + 2y = 8, x = 2, x = 4 and x-axis. [3]

RBSE Class 12 Maths Model Paper 3 English Medium

Question 23.
Find the area enclosed between the curve x² + y² = 9 and the line x = \(\sqrt{2} y\). [3]

Question 24.
Find the volume of the parallelopiped with co-terminous sides given by the vectors \(\vec{a}=2 \hat{i}-3 \hat{j}+\hat{k}, \vec{b}=\hat{i}-\hat{j}+2 \hat{k} \text { and } \vec{c}=2 \hat{i}+\hat{j}-\hat{k}\) [3]
OR
Find the position vector of the centroid of a triangle, given the position vectors of its vertices
\(\vec{a}, \vec{b} \text { and } \vec{c}\) respectively.

Question 25.
Solve the following problems by graphical method [3]
Maximum Z = -x + 2y
Subject to x ≥ 3, x + y ≥ 5, x + 2y ≥ 6,
x ≥ 0, y ≥ 0

Section – D

Question 26.
RBSE Class 12 Maths Model Paper 3 English Medium 11 [6]

RBSE Class 12 Maths Model Paper 3 English Medium

Question 27.
RBSE Class 12 Maths Model Paper 3 English Medium 12 [6]

Question 28.
RBSE Class 12 Maths Model Paper 3 English Medium 13 [6]
OR
RBSE Class 12 Maths Model Paper 3 English Medium 14

Question 29.
Show that the points A(1, -1, 3) and B(3, 3, 3) are at equal distance from the plane \(\vec{r} \cdot(5 \hat{i}+2 \hat{j}-7 \hat{k})+9=0\) [6]

Question 30.
In a factory which manufactures bolts, machines A, B and C manufacture respectively 25%, 35% and 40% of the bolts, of their outputs 5, 4 and 2 percent are respectively defective bolts. A bolt is drawn at random from the product and it found to be defective. What is the probability that it is manufactured by machine B? [6]
OR
A man is known to speak truth 3 out of 4-times. He throws a die and reports that it is a 6. Find the probability that it is actually 6.

RBSE Class 12 Maths Model Paper 3 English Medium

We hope the given RBSE Class 12 Maths Model Paper 3 English Medium will help you. If you have any query regarding RBSE Class 12 Maths Sample Paper 3 English Medium, drop a comment below and we will get back to you at the earliest.

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