English Medium
Academic Year: 2023-2024
Date & Time: 11th March 2024, 10:30 am
Duration: 3h
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General Instructions:
Read the following instructions carefully and follow them:
- This question paper contains 38 questions. All questions are compulsory.
- Question paper is divided into FIVE sections − SECTION A, B, C, D and E.
- In section A, question number 1 to 18 are multiple choice questions (MCQs) and question number 19 and 20 are Assertion − Reason based questions of 1 mark each.
- In section B, question number 21 to 25 are very short answer (VSA) type questions of 2 marks each.
- In section C, question number 26 to 31 are short answer (SA) type questions carrying 3 marks each.
- In section D, question number 32 to 35 are long answer (LA) type questions carrying 5 marks each.
- In section E, question number 36 to 38 are case-based integrated units of assessment questions carrying 4 marks each. Internal choice is provided in 2 marks question in each case study.
- There is no overall choice. However, an internal choice has been provided in 2 questions in Section B, 2 questions in Section C, 2 questions in Section D and 3 questions in Section E.
- Draw neat figures wherever required. Take `pi = 22/7` wherever required if not stated.
- Use of calculators is NOT allowed.
LCM (850, 500) is ______.
850 × 50
17 × 500
17 × 52 × 22
17 × 53 × 2
Chapter:
If the roots of quadratic equation 4x2 − 5x + k = 0 are real and equal, then value of k is ______.
`5/4`
`25/16`
`−5/4`
`−25/16`
Chapter:
The mean and median of a statistical data are 21 and 23 respectively. The mode of the data is ______.
27
22
17
23
Chapter:
The height and radius of a right circular cone are 24 cm and 7 cm respectively. The slant height of the cone is ______.
24 cm
31 cm
26 cm
25 cm
Chapter:
If one of the zeroes of the quadratic polynomial (α − 1) x2 + αx + 1 is −3, then the value of α is ______.
`−2/3`
`2/3`
`4/3`
`3/4`
Chapter:
A card is drawn from a well shuffled deck of 52 playing cards. The probability that drawn card is a red queen, is______.
`1/13`
`2/13`
`1/52`
`1/26`
Chapter:
If a certain variable x divides a statistical data arranged in order into two equal parts, then the value of x is called the ______.
mean of the data
median
mode
range
Chapter:
Three coins are tossed together. The probability of getting exactly one tail, is ______.
`1/8`
`1/4`
`7/8`
`3/8`
Chapter:
If sin θ = `1/3`, then sec θ is equal to ______.
`(2sqrt2)/3`
`3/(2sqrt2)`
3
`1/sqrt3`
Chapter:
Outer surface area of a cylindrical juice glass with radius 7 cm and height 10 cm, is ______.
440 sq cm
594 sq cm
748 sq cm
1540 sq cm
Chapter:
On a throw of a die, if getting 6 is considered success then probability of losing the game is ______.
0
1
`1/6`
`5/6`
Chapter:
The distance between the points (2, −3) and (−2, 3) is ______.
`2sqrt13` units
5 units
`13sqrt2` units
10 units
Chapter:
For what value of θ, sin2 θ + sin θ + cos2 θ is equal to 2?
45°
0°
90°
30°
Chapter:
The diameter of a circle is of length 6 cm. If one end of the diameter is (−4, 0), the other end on x-axis is at ______.
(0, 2)
(6, 0)
(2, 0)
(4, 0)
Chapter:
The value of k for which the pair of linear equations 5x + 2y − 7 = 0 and 2x + ky + 1 = 0 don't have a solution is ______.
5
`4/5`
`5/4`
`5/2`
Chapter:
For what value of k, the product of zeroes of the polynomial kx2 − 4x − 7 is 2?
`−1/14`
`−7/2`
`7/2`
`−2/7`
Chapter:
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In an A.P., if a = 8 and a10 = −19, then value of d is ______.
3
`−11/9`
`−27/10`
−3
Chapter:
The mid-point of the line segment joining the points (−1, 3) and `(8, 3/2 )` is ______.
`(7/2, −3/4)`
`(7/2, 9/2)`
`(9/2, −3/4)`
`(7/2, 9/4)`
Chapter:
Assertion (A): If PA and PB are tangents drawn to a circle with centre O from an external point P, then the quadrilateral OAPB is a cyclic quadrilateral.
Reason (R): In a cyclic quadrilateral, opposite angles are equal.
Both, Assertion (A) and Reason (R) are true. Reason (R) explains Assertion (A) completely.
Both, Assertion (A) and Reason (R) are true. Reason (R) does not explain Assertion (A).
Assertion (A) is true but Reason (R) is false.
Assertion (A) is false but Reason (R) is true.
Chapter:
Assertion (A): Zeroes of a polynomial p(x) = x2 − 2x − 3 are −1 and 3.
Reason (R): The graph of polynomial p(x) = x2 − 2x − 3 intersects x-axis at (−1, 0) and (3, 0).
Both, Assertion (A) and Reason (R) are true. Reason (R) explains Assertion (A) completely.
Both, Assertion (A) and Reason (R) are true. Reason (R) does not explain Assertion (A).
Assertion (A) is true but Reason (R) is false.
Assertion (A) is false but Reason (R) is true.
Chapter:
Prove that `6-4sqrt5` is an irrational number, given that `sqrt5` is an irrational number.
Chapter:
Show that 11 × 19 × 23 + 3 × 11 is not a prime number.
Chapter:
A bag contains 4 red, 5 white and some yellow balls. If probability of drawing a red ball at random is `1/5` then find the probability of drawing a yellow ball at random.
Chapter:
In a ΔABC, ∠A = 90°. If tan C =`sqrt3`, then find the value of sin B + cos C − cos2 B.
Chapter:
In the given figure, AP ⊥ AB and BQ ⊥ AB. If OA = 15 cm, BO = 12 cm and AP = 10 cm, then find the length of BQ.
Chapter:
Solve the following pair of linear equations for x and y algebraically:
x + 2y = 9 and y − 2x = 2
Chapter:
Check whether the point (−4, 3) lies on both the lines represented by the linear equations x + y + 1 = 0 and x − y = 1.
Chapter:
Prove that:
`sqrt((sec A - 1)/(sec A + 1)) + sqrt((sec A + 1)/(sec A - 1))` = 2 cosec A.
Chapter:
In two concentric circles, the radii are OA = r cm and OQ = 6 cm, as shown in the figure. Chord CD of larger circle is a tangent to smaller circle at Q. PA is tangent to larger circle. If PA = 16 cm and OP = 20 cm, the length CD.
Chapter:
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In given figure, two tangents PT and QT are drawn to a circle with centre O from an external point T. Prove that `angle`PTQ = 2`angle`OPQ.
Chapter:
A solid is in the form of a cylinder with hemispherical ends of same radii. The total height of the solid is 20 cm and the diameter of the cylinder is 14 cm. Find the surface area of the solid.
Chapter:
A juice glass is cylindrical in shape with hemispherical raised up portion at the bottom. The inner diameter of glass is 10 cm and its height is 14 cm. Find the capacity of the glass. (use π = 3.14)
Chapter:
Two alarm clocks ring their alarms at regular intervals of 20 minutes and 25 minutes respectively. If they first beep together at 12 noon, at what time will they beep again together next time?
Chapter:
The line AB intersects x-axis at A and y-axis at B. The point P(2, -3) lies on AB such that AP : PB = 3 : 1. Find the co-ordinates of A and B.
Chapter:
The greater of two supplementary angles exceeds the smaller by 18°. Find measures of these two angles.
Chapter:
O is the centre of the circle. If AC = 28 cm, BC = 21 cm, ∠BOD = 90° and ∠BOC = 30°, then find the area of the shaded region given in the figure.
Chapter:
The shadow of a tower standing on a level ground is found to be 40 m longer when the Sun's altitude is 30° than when it was 60°. Find the height of the tower and the length of original shadow. (use `sqrt3` = 1.73)
Chapter:
The angles of depression of the top and the bottom of an 8 m tall building from the top of a multi-storeyed building are 30° and 45° respectively. Find the height of the multi-storeyed building and the distance between the two buildings. (use `sqrt3` = 1.73)
Chapter:
Prove that, if a line is drawn parallel to one side of a triangle to intersect the other two sides, then the two sides are divided in the same ratio.
Chapter: [0.040999999999999995] Triangles [0.040999999999999995] Triangles [0.040999999999999995] Triangles
Sides AB and BC and median AD of a ΔABC are respectively proportional to sides PQ and PR and median PM of ΔPQR. Show that ΔABC ∼ ΔPQR.
Chapter:
In an A.P. if Sn = 4n2 − n, then
- find the first term and common difference.
- write the A.P.
- which term of the A.P. is 107?
Chapter:
Gurpreet is very fond of doing research on plants. She collected some leaves from different plants and measured their lengths in mm.
The data obtained is represented in the following table:
|
Length (in mm): |
70 - 80 | 80 - 90 | 90 - 100 | 100 - 110 | 110 - 120 | 120 - 130 | 130 - 140 |
|
Number of leaves: |
3 | 5 | 9 | 12 | 5 | 4 | 2 |
Based on the above information, answer the following questions:
- Write the median class of the data. 1
- How many leaves are of length equal to or more than 10 cm? 1
-
- Find median of the data. 2
OR - Write the modal class and find the mode of the data. 2
- Find median of the data. 2
Chapter:
The picture given below shows a circular mirror hanging on the wall with a cord. The diagram represents the mirror as a circle with centre O. AP and AQ are tangents to the circle at P and Q, respectively such that AP = 30 cm and ∠PAQ = 60°.
Based on the above information, answer the questions:
- Find the length PQ. 1
- Find m ∠POQ. 1
- Find the length OA. 2
OR - Find the radius of the mirror. 2
- Find the length OA. 2
Chapter:
To keep the lawn green and cool, Sadhna uses water sprinklers which rotate in circular shape and cover a particular area.
The diagram below shows the circular areas covered by two sprinklers:
Two circles touch externally. The sum of their areas is 130π sq m and the distance between their centres is 14 m.
Based on the above information, answer the following questions:
- Obtain a quadratic equation involving R and r from above. 1
- Write a quadratic equation involving only r. 1
-
- Find the radius r and the corresponding area irrigated. 2
OR - Find the radius R and the corresponding area irrigated. 2
- Find the radius r and the corresponding area irrigated. 2
Chapter:
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