1. All questions are compulsory.
2. The question paper consists of 34 questions divided into four sections A, B, C and
3. Section A contains 10 questions of 1 mark each, which are multiple choices type
questions, Section B contains 8 questions of 2 marks each, Section C contains 10
questions of 3 marks each, Section D contains 6 questions of 4 marks each.
4. There is no overall choice in the paper. However, internal choice is provided in one
question of 2 marks, 3 questions of 3 marks each and two questions of 4 marks each.
5. Use of calculators is not permitted.
The perimeter (in cm) of a square circumscribing a circle of radius a cm, is
A. 8 a
B. 4 a
C. 2 a
D. 16 a
If A and B are the points (−6, 7) and (−1, −5) respectively, then the distance 2AB is equal to
If the common differences of an A.P. is 3, then a 20 − a 15 is
D. 20VIEW SOLUTION
If is the mid-point of the line-segment joining the points A (−6, 5) and B(−2, 3), then the value of a is
In figure 1, O is the centre of a circle, PQ is a chord and PT is the tangent at P.
If ∠POQ = 70°, then ∠TPQ is equal to
In Figure 2, AB and AC are tangents to the circle with centre O such that ∠BAC = 40°. Then ∠BOC is equal to
D. 150°VIEW SOLUTION
The roots of the equation x2 − 3x − m (m + 3) = 0, where m is a constant, are
A. m, m + 3
B. − m, m + 3
C. m, − (m + 3)
D. −m, − (m + 3)VIEW SOLUTION
A tower stands vertically on the ground. From a point on the ground which is 25 m away from the foot of the tower, the angle of elevation of the top of the tower is found to be 45°. Then the height (in meters) of the tower is
The surface area of a solid hemisphere of radius r cm (in cm2) is
A card is drawn from a well-shuffled deck of 52 playing cards. The probability that the card is not red king is
Two cubes each of volume 27 cm3 are joined end to end to form a solid. Find the surface area of the resulting cuboid.
A cone of height 20 cm and radius of base 5 cm is made up of modeling clay.
A child reshapes it in the form of a sphere. Find the diameter of the sphere.VIEW SOLUTION
Find the value of y for which the distance between the points A (3, −1) and B (11, y) is 10 units.
A ticket is drawn at random from a bag containing tickets numbered from 1 to 40. Find the probability that the selected ticket has a number which is a multiple of 5.
Find the value of m so that the quadratic equation mx (x − 7) + 49 = 0 has two equal roots.VIEW SOLUTION
In Figure 3, a circle touches all the four sides of a quadrilateral ABCD whose sides are AB = 6 cm, BC = 9 cm and CD = 8 cm. Find the length of the side AD.
Draw a line segment AB of length 7 cm. Using ruler and compasses, find a point P on AB such that .VIEW SOLUTION
Which term of the A.P. 3, 14, 25, 36, … will be 99 more than its 25th term?VIEW SOLUTION
In figure 4, a semi-circle is drawn with O as centre and AB as diameter. Semi-circles are drawn with AO and OB as diameters. If AB = 28 m, find the perimeter of the shaded region.
Draw a pair of tangents to a circle of radius 3 cm, which are inclined to each other at an angle of 60°.
Draw a right triangle in which the sides (other than hypotenuse) are of lengths 4 cm and 3 cm. Then construct another triangle whose sides are times the corresponding sides of the given triangle.VIEW SOLUTION
An open metal bucket is in the shape of a frustum of a cone of height 21 cm with radii of its lower and upper ends as 10 cm and 20 cm respectively. Find the cost of milk which can completely fill the bucket at Rs 30 per litre.
Find the area of the quadrilateral ABCD, whose vertices are A(−3, −1), B (−2, −4), C(4, − 1) and D (3, 4).
Find the area of triangle formed by joining the mid-points of the sides of the triangle whose vertices are A(2, 1), B(4, 3) and C(2, 5).VIEW SOLUTION
From the top of a vertical tower, the angles of depression of two cars, in the same straight line with the base of the tower, at an instant are found to be 45° and 60°. If the cars are 100 m apart and are on the same side of the tower, find the height of the tower.
Two dice are rolled once. Find the probability of getting such numbers on the two dice, whose product is 12.
A box contains 80 discs which are numbered from 1 to 80. If one disc is drawn at random from the box, find the probability that it bears a perfect square number.VIEW SOLUTION
Find the roots of the following quadratic equation:
Find the A.P. whose fourth term is 9 and the sum of its sixth term and thirteenth term is 40.VIEW SOLUTION
In Figure 5, a triangle PQR is drawn to circumscribe a circle of radius 6 cm such that the segments QT and TR into which QR is divided by the point of contact T, are of lengths 12 cm and 9 cm respectively. If the area of ΔPQR = 189 cm2, then find the lengths of sides PQ and PR.
A chord of a circle of radius 21 cm subtends an angle of 60° at the centre. Find the area of the corresponding minor segment of the circle.VIEW SOLUTION
Point M(11, y) lies on the line segment joining the point P(15, 5) and Q(9, 20). Find the ratio is which point M divides the line segment PQ. Also find the value of y.VIEW SOLUTION
In figure 6, an equilateral triangle has been inscribed in a circle of radius 6 cm.
Find the area of the shaded region. [Use π = 3.14]
A farmer connects a pipe of inter-hal diameter 20 cm, from a canal into a cylindrical tank in his field, which is 10 m in diameter and 4 m deep. If water flows through the pipe at the rate of 5 km/hour, in how much time will the tank be filled?VIEW SOLUTION
The angles of depression of the top and bottom of a 12 m tall building, from the top of a multi-storeyed building are 30° and 60° respectively.
Find the height of the multi-storeyed building.
Prove that the tangent at any point of a circle is perpendicular to the radius through the point of contact.
The first and the last terms of an A.P. are 8 and 350 respectively. If its common difference is 9, how many terms are there and what is their sum?
How many multiples of 4 lie between 10 and 250? Also find their sum.VIEW SOLUTION
A train travels 180 km at a uniform speed. If the speed had been 9 km/hour more, it would have taken 1 hour less for the same journey. Find the speed of the train.
Find the roots of the equation .VIEW SOLUTION
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