QUIZ-1 Q.1 In the diagram, ABCD is a parallelogram, and BFDE is a square. If AB = 20 cm and CF = 16 cm, what is the perimeter of the parallelogram ABCD? (A) 86 cm (B) 92 cm (C) 96 cm (D) 106 cm Q.2 Given three segments of length x, 11 – x, and x – 4, respectively. Which of the following indicates the set of all numbers x such that the three segments could be the lengths of the sides of a triangle? (A) x > 4 (B) 5 < x < 7 (C) 4 < x < 11 (D) 0 < x < 11 Q.3 A rhombus is formed by two radii and two chords of a circle whose radius is 16 cm. Find the area of the rhombus. (A) 128 cm2 (B) 128 cm2 (C) 256 cm2 (D) 256 cm2 Q.4 Two congruent 30° – 60° – 90° triangles are placed, as shown, so that they overlap partly and their hypotenuses coincide. If the hypotenuse is 12cm, find the area common to both triangles. (A) 6 cm2 (B) 8 cm2 (C) 9 cm2 (D) 12 cm2 Q.5 A circular arch having width 24m and height 9m is to be constructed. What is the radius of the circle of which the arch is an arc? (A) 10m (B) 12.5 m (C) 13.5m (D) 14m QUIZ-2 Q.1 The minute hand of a clock travels k radians from 1 pm to 2.35pm. The value of k is . Q.2 The number palindrome 1 2 3 4 3 2 1 is a perfect square. Its positive root is . Q.3 The real number 3 75 2 12 when expressed in the simplest form is equal to (A) 1/2 (B) 1/3 (C) 1/4 (D) 1/5 Q.4 The sum of the solutions on the interval (0, 2] to the equation: 0 = – (2 sin2 x + 2 cos2 x) , is (cos x 0 ) cos x (A) 3 (B) 4 (C) 5 (D) 6 Q.5 Twice the measure of the supplement of an angle is added to three times the measure of the complement of the same angle. The sum is the measure of an interior angle of a regular nine-sided polygon. The measure of the supplement of the angle, is (A) 82° (B) 72° (C) 98° (D) 108° BULLS EYE Q.6 Let XOY be a right triangle with XOY = 90°. Let M and N be the midpoints of legs OX and OY respectively. If XN = 19 and YM = 22, then XY equals (A) 26 (B) 13 (C) 32.5 (D) 41 QUIZ-3 Q.1 If (1, 2) is one of the points of intersection of the graphs of ax2 + by2 = 5 and bx2 + ay2 = 5, then find a + b. (A) 2 (B) 3 (C) 4 (D) 5 Q.2 Given parallelogram ABCD, with AB = 10, AD = 12 and BD = 2 . The length of (AC) is (A) 10 (B) 2 (C) 12 (D) 2 Q.3 The continued fraction 2 1 2 1 2 1 , has the value equal to 2 ........... (A) 1 (B) 5/4 (C) 3/2 (D) 7/4 Q.4 If x2 – xy + y2 = a and x3 + y3 = b then xy = b2 b2 b b2 a3 a 2 2b3 (A) a 2 – 1 (B) 3a 2 3 (C) 3a2 (D) 3a Q.5 Asquare and an equilateral triangle have the same perimeter. Let Abe the area of the circle circumscribed about the square and B be the area of the circle circumscribed about the triangle. The ratio A/B equals (A) 9 : 16 (B) 3 : 4 (C) 27 : 32 (D) 3 8 Q.6 ABC is a right triangle with hypotenuse AB and AC = 15 cm. Altitude CH divides AB into segments AH and HB, with HB = 16cm. The area of ABC, is (A) 120 cm2 (B) 144cm2 (C) 150cm2 (D) 216cm2 QUIZ-4 Q.1