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CBSE Term II, , 8, 20. One of the, , dimensions, , of the cuboid whose volume, , is 36Kr"y-21Kxy+3Kys, is, , (a) 3Ky, , (d) All of these, , (c) 3x-y, , b) 4x-y, , thematics ty, , 33, , (d, , (a), , 3, , (v)Value of p(x)at x = --1, , Case Based MCQs, 21. An object which is thrown or projected into the air,subject to only the acceleration of gravity is called a, , projectile, and its path is called its trajectory. This, , curved path was showm by Galileo to be a parabola., Parabola is represented by a polynomial. If the, , polynomial, , to, , represent the distance covered is, , Px)=-3 +24x +12, d) 3, , (e) 2, , b) 1, , 23. Pulkit along with his four friends visited. The, hu., of Sumit, who was a common friend. There the, meet his father, who was having interest in, mathematics. Sumie's father wanted to test the, , many objects like a cuboid shaped geometry box,a, rectangular photo frame, a circular cardboard,, , s9(6) 32 mst2, , ii) The polynomial is classified as, , NATRA, , 1 S, , (d) 68 mt, , of number of terms., , (c) Binomial, , (d) Trinomial, , (i)-, , (Cuboid Geometry Box), , (Rectangular Photo Frame), , 4. Finc, , (iv) The name of polynomial on the basis of degree is, (a) Cubic polynomial, (b) Constant polynomial, , 5. Ifx, , 2x, , (c) Quadratic polynomial (d) Bi-quadratic polynomial, )If equation of parabola is given by, , C()1233ani(d) 6, , c, , 22. D.A.V School of Delhi decided differene, types of, tours for the students to educatd them. So in class, , monumentsth, , (G) Using above information, express the total, , (a), , 10, (ii), , Write the, , 13, , polynomial in term of x., , i, , 7, , x+15, 12, , object?, , (a) (7ax +5), , (b) t(7a+5), (d) 7/5, , (i) Ifthe volume of geometry box is a3 -2-+2, , timesthe' member of students planned to visit'old, age homes while 15 students decided to teach poor, children., as a, , 49Ttx+70tx +25, what is the radius of this, , (5/7, , IX,th times the square of the total number of, , students planned to visit historical, , (Circular Cardboard), i) If the area of circular cardboard is, , plx) = 3r* - 2 - 4 , then value of p{2) is, , numbers of students, , (i), 2. Finc, , (ii), (b) Monomial, , (b) 4, , 3, , ), , inSRUMEa, , o n the basis, , (a) Linear polynomial, , (a) 8, , 1. Ider, basi, , 3. Wh:, you, , launch., , a) 57 m, , Short, , practical knowledge of all his friends, so he showd, , i) Find the height of the projectile 5 seconds after its, , (c) 85 m, , PAR, Subj-, , square shaped files and a cube. He started asking, following question on by one., , () What is the degree of the polynomial?, (a) 0, , CBSE Te, , iv) Value of p(x) at *=2, , 8, , what are the possible dimensions of this box?, , (a (a+ 1), (x + 1), (*+ 2) (6)(x+1), (x-1), (x+), - 1 ) , (x+ 1), (x-2) ()(r-1), (x-1), (z-), (ii) Ifthe area of a file is 4, , +4x+1 what is the, , perimeter of this file?, (a)2a+1, b) 4x+1, , ()42+1), , (d) (8x+ 2), , (iv) If the area of rectangular photo frame is, , 12 7a+1, what are the possible dimensions0, , (d), , coefficient of r, , ., , in, , polynomil., a3, , (b), , 12, , (ii) Write the coefficient of r*, , photo frame?, , in, , (19, , polynomial., (d) 16, , er, , (a)(3ax-1) (4x-1), , (b) (3x + 1), (4x + 1), , (e)(3x-1)(4x+1), , (d)(3r+ 1), (4x-1), , v)Ifthe volume of cube is 8a-b- 124*b +6ab', what is the side of cube?, , (a)(2a+ b), (c) (2a + 36), , (b (2a-b), (d)(3a-2h), , 6. Veri, , pol7. 3, , 8. Find, x, , 9. Ifp, and, , 10. Fact, , 11. Fact, , 12. Usi, , 13. Fac, 14. Fac, 15. Fac, terr, , 16. Fac-, , 17. Fac

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CaSE Term lW|, , Mathematics IX, , 113, , of a cylinder, whose height and, diameter are equal to the diameter of the sphere., The volume of a sphere is equal to [NCERT, , The volume, , Exemplar, , of a cylinder, (a)volume, 3, , (c) 184 m, , b)volume ofa cylinder, 3, (cvolume ofa cylinder, None of the above, , (a), , 18. If the radius of a sphere is 2r, then its volume, will be, , [NCERT Exemplar], , 4, , (a)Ttr cu units, , (b) 4tr 3 cu units, , 3, , iv) The total area of the room is (including windows, and doors), (b) 162 m, (a) 48.02 m, , d) 204.88 m, , (v) What is the volume of the air in the room?, (a) 160 m2, b) 168 m2, (c) 158 m, (d) 185 m, 22. Mathematícs teacher of a school took her, 9th standard students to show Red Fort. It was a, part of their Educational trip. The teacher had, interest in history and she narrated the facts of, Red Fort to students. Then, the teacher said in this, monument, one can find combination of solid, , figures. There are 2 pillars which are cylindrical in, , O 8tr3 cu units, c), , (d)Ttrcu units, , 3, , 3, , 19. Find the total surface area of a hemisphere of radius, 10 cm. (take, n = 3.14), , (a) 900 cm2, (c) 920 cm, , shape. Also, 2 domes at the corners which are, hemispherical. 7 smaller domes at the centre., , Flag hoisting ceremony on Independence Day, takes place near these domes., , (b) 940 cm, (d) 942 cm2, , 20. How many litres of milk can a hemispherical bowl, of diameter 10.5 cm holdP, [NCERT Exemplar], (a) 0.300 L, )0.402 L, , (b) 0.302 L, (d) 0.303 LL, , Case Based MCQs, 21., , Adraughtsman planned design for a room with, , dimensions of 8 m, 5 m and 4 m, respectively. He, also planned to make 4 windows with brown colour, and 2 doors with grey colour. The room needs to be, except tor, painted with Nerolac paint of red colour, as, tloor and square tiles were used for flooring,, , the, , shown in the below figure., , (i) How much cloth material will be required to cover, 2 big domes each of radius 7 metres?, take, T = 22/7), , (a) 375 m, , (c)616 m, , (b) 478 m, (d) 296 m, , (i) Ifthe radius of cylindrical pillar is, is 14 m, then the volume is, , (a) 1878 mn, , 4 m, , (c) 2329 m', , ) The total area of the four walls is, (b) 212 m, a) 112 m, (d) 412 m, , (e) 104 m2, , 30 sq, , is, of windows and doors is, r, to be painted, he area of the walls (b) 80 m, (a) 74 m2, , m., , area, , (d) 132 m, , ii) What is the are, , area, , (a) 64 m2, c) 66 m2, , and, , height, , (b) 1656 m, d) 2156 m, , (a) 112.3 cm2, (c) 90 m, , 8 m, , (c) 90 m2, , m, , (ii) Find the lateral surface area of two pillars, if height, of the pillar is 7 m and radius of the base is 1.4 mn., , 5 m, , the, , 7, , flooring?, used for, to be, tiles, of the, , (b) 44 m, , (d) 40 m, , b) 123.2 m, (d) 345.2 cm, (iv) How much is the volume of a hemisphere, if the, radius of the base is 2.8 m?, a) 46 m3, (b) 80 m, (c) 98 m, (d) 36 m, (v) What is the ratio of sum of volumes of two, , hemispheres of radius 1 em each to the volume of, a sphere of radius 2 cm?, , (a) 1:1, , (b) 1:8, , (c)8:1, , (d) 1: 16

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CBSE Term N |, (i) How many circles are of red, squares are of red colour?, , (a) 5, 4, , (c)6,5, (i) Find the, , colour and how many, , (ii) Find the probability that she draws either aa egreen, or a blue bead., , (b) 4,5, , probability, , Mathematics, , (a)5/7, )7/12, (iv) Find the, , (d) 8,6, that lost piece is, square., , (b) 5/12, (d) 3/14, , probability that she draws neither ared, , nor a green bead., , (, , 19, , (ii) Find the probability that lost, piece is circles., , ()19, , (a) The bead drawn is not red, , (b) The bead drawn is neither red nor blue, (c) The bead drawn is either red or green or blue, , (d)18, , (iv) Find the probability that lost, blue colour., , (, , (v)Which of the followings is an impossible event?, , b):, , 19, , (d) The bead drawn is yellow, , piece, , is square of, , (b), , 19, , (c, (v) Find the probability that lost piece is circles of, colour., , red, , 19. One day, during games period four friends, A, B, Cc, and D planned to play game, number, using, cards., They prepared 25 numbered cards with labelled 1, to 25 and then, they, put all the number cards in the, empty chalk box available in the classroom. In this, game, every friend was asked to pick the card, randomly and after each draw, card was replaced, , back in the chalk box., , 123 45, , 19, , (, , 6 7 8 9 10, 11 12 13 14 15, 1617 18 19 20, , 18, , 18. Rajni, , handicraft shop in chandani chowk in, Delhi. She makes beautiful necklaces, using, colourful, , 21 22 23 24 25, , runs a, , beads, which she keeps in a potli. Today, she prepared 18 necklaces, but could not, make the, 19th necklace, as she had no, yellow beads left. She, , counted, , (b) 1/3, (d) 1/2, , (a) 3/14, c) 3/7, , the beads and found that there were 8 red,, , 6 green and 14 blue beads, , remaining in her potli., daughter Lily requested for a bead. Rajni, decides to take out one bead from her potli for, Lily., , ) Find the, probability, first boy pick the card and he, get the card with an odd number., , (a), , (ii), , Her little, , Red Bead, OBlue Bead, Green BeadYellow Bend, , 25, , 25, , replaced and the, second boy draws a card., What is the probability, , getting a composite number?, (ii), , If the card drawn is, not, , draw, what is the, , replaced in the second, , probability that he goes, , multiple of 3 greater than 4?, , Necklace, , Rajni's Poti, , (1) Find the probability that she draws a green bead., (b) 3/7, (a) 3/11, (d) 3/14, (ii) Find the probability that the bead drawn by her is, , (c) 11/14, , notblue., (a) 3/11, , (b)3/7, , 25, , If the card drawn in, first case is, , b), (iv), , For a, (a) 1, , (c)1, , sure, , a, , 6, , event A, , d)9, P(A)= ?, (b) 0, , (d)2, , ()Ifall cards drawn are replaced, then, is the, probability of getting a multiple 3 andwhat, 5?, , (, , (d)818