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Case Study questions0:12:28

Case Study questions 38. A backyard is in the shape of a triangle ABC with right angle at B. AB =

CaseStudyquestions. BINGO is0:11:31

CaseStudyquestions. BINGO is game of chance.The host has 75 balls numbered 1 through 75. Each player

Case study questions0:11:05

Case study questions 36. A rectangular floor area can be completely tiled with 200 square tiles.

35. A pole0:08:30

35. A pole 6m high is fixed on the top of a tower. The angle of elevation of the top of the pole obs

34 OR(B) In0:09:24

34 OR(B) In the given figure PA, QB and RC are each perpendicular to AC. If AP = x, BQ = y and CR =

34.If a line0:15:13

34.If a line is drawn parallel to one side of a triangle to intersect the other two sides in distinc

33(B) In an0:09:40

33(B) In an A.P. of 40 terms, the sum of first 9 terms is 153 and the sum of last 6 terms is 687.

33. (A) The0:08:18

33. (A) The sum of first and eighth terms of an A.P. is 32 and their product is 60. Find the first t

32. An arc0:05:26

32. An arc of a circle of radius 21 cm subtends an angle of 60° at the centre. Find :(i) the length

31. The difference0:05:31

31. The difference between the outer and inner radii of a hollow right circular cylinder of length 1

30 (B) A0:05:14

30 (B) A circle with centre O and radius 8 cm is inscribed in a quadrilateral ABCD in which P, Q, R,

29. Three years0:05:45

29. Three years ago, Rashmi was thrice as old as Nazma. Ten years later, Rashmi will be twice as old

30. (A) In0:09:09

30. (A) In the given figure, AB is a diameter of the circle with centre O. AQ, BP and PQ are tangen

28. Prove that0:07:57

28. Prove that : (tan theta)/(1 - cot theta) + (cot theta)/(1 - tan theta) = 1 + sec(theta*co) * se

27. In a0:07:11

27. In a teachers' workshop, the number of teachers teaching French, Hindi and English are 48, 80

26 (B) ABCD0:09:07

26 (B) ABCD is a rectangle formed by the points A (-1, -1), В (−1, 6), C (3, 6) and D (3, −1). P,

25. (A) Prove0:07:42

25. (A) Prove that 5 - 2sqrt(3) is an irrational number. It is given that sqrt(3) is an irrational

24. In the0:05:05

24. In the given figure, ABCD is a quadrilateral. Diagonal BD bisects ∠B and ∠D both.CProve that

23. (A) Evaluate0:03:46

23. (A) Evaluate : 2sqrt(2) * cos 45 deg * sin 30 deg + 2sqrt(3) * cos 30 degOR(B) If A = 60 deg and

22. In a0:03:33

22. In a pack of 52 playing cards one card is lost. From the remaining cards, a card is drawn at

21. Solve the0:05:11

21. Solve the following system of linear equations 7x - 2y = 5 and 8x + 7y = 15 and verify your

20. Assertion (A):0:03:48

20. Assertion (A): If the graph of a polynomial touches x-axis at only one point, then the polynomia

19. Assertion (A):0:02:44

19. Assertion (A): The tangents drawn at the end points of a diameter of a circle, are parallel.Reas

17. The centre0:04:04

17. The centre of a circle is at (2, 0). If one end of a diameter is at (6, 0), then the other end