#### Half Yearly Model Question Paper 2019 - 2020

6th Standard

Reg.No. :
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Maths

Time : 02:30:00 Hrs
Total Marks : 60

#### Multiple Choice Question

10 x 1 = 10
1. The factors of a number are 1, 2, 4, 5, 8, 10, 16, 20, 40 and 80. What is the number?

(a)

80

(b)

100

(c)

128

(d)

160

2. If the number 6354 * 97 is divisible by 9, then the value * is

(a)

2

(b)

4

(c)

6

(d)

7

3. The HCF of two numbers is 2 and their LCM is 154. If the difference between the numbers is 8, then the sum is

(a)

26

(b)

36

(c)

46

(d)

56

4. Which is the greatest? 0.007 g, 70 mg, 0.07 cg

(a)

0.07 cg

(b)

0.007 g

(c)

70 mg

(d)

all are equal

5. 2 days = ____________ hours.

(a)

38

(b)

48

(c)

28

(d)

40

6. 3 weeks = ___________ days

(a)

21

(b)

7

(c)

14

(d)

28

7. There is no profit or loss when

(a)

C.P. = S.P.

(b)

C.P > S.P.

(c)

C.P < S.P.

(d)

M.P. = Discount

8. Discount = M.P. - _____________

(a)

Profit

(b)

S.P.

(c)

Loss

(d)

C.P.

9. An equilateral triangle is

(a)

an obtuse angled triangle

(b)

a right angled triangle

(c)

an acute angled triangle

(d)

a scalene triangle

10. Which of the following is not possible?

(a)

An obtuse isosceles triangle

(b)

An acute isosceles triangle

(c)

An obtuse equilateral triangle

(d)

An acute equilateral triangle

11. #### Fill in the blanks

5 x 1 = 5
12. If the LCM of 3 and 9 is 9, then their HCF is _______________

13. The least number that should be added to 57 so that the sum is exactly divisible by 2,3, 4 and 5 is ______________

14. 20 l – 1 l 500 ml = _________l _________ml

()

18 l 500 ml

15. In an isosceles triangle ______________ angles are equal.

()

two

16. The sum of three angles of a triangle is ___________.

()

180°

17. #### True or False

5 x 1 = 5
18. Every natural number is either prime or composite

(a) True
(b) False
19. The HCF of two numbers is always a factor of their LCM

(a) True
(b) False
20. Puga

(a) True
(b) False
21. Meena bought 250 ml of buttermilk which is equal to 2.5 l.

(a) True
(b) False
22. Karku

(a) True
(b) False
23. #### Match the following

5 x 1 = 5
24. 11.50

25. (1)

Isosceles triangle

26. 4.15

27. (2)

Obtuse angled triangle

28. One obtuse angle

29. (3)

Equilateral triangle

30. Two sides of equal length

31. (4)

quarter past 4

32. All sides are equal

33. (5)

10 minutes to 12

10 x 2 = 20
34. Find the prime factorisation of each number by factor tree method and division method.
a) 60  b) 128  c) 144  d) 198  e) 420  f) 999

35. The LCM of two numbers is 6 times their HCF. If the HCF is 12 and one of the numbers is 36, then find the other number.

36. The sum of three prime numbers is 80. The difference of two of them is 4. Find the numbers.

37. A flag pole is 5 m 35 cm long. What is the length of the flag pole in cm?

38. The saplings are planted at a distance of 2 m 50 cm in the road of length 5 km by saravanan. If he has 2560 saplings, how many saplings will be planted by him? how many saplings are left?

39. A squirrel wants to eat the grains quickly. Help the Squirrel to find the shortest way to reach the grains. (Use your scale to measure length of the line segments)

40. A man bought 75 Mangoes for Rs 300 and sold 50 Mangoes for Rs 300. If he sold all the mangoes at the same price, find his profit or loss.

41. A store purchased pens at Rs 216 per dozen. He paid Rs 58 for conveyance and sold the pens at the discount of Rs 2 per pen and made a overall profit of Rs 50. Find the M.P. of each pen.

42. An electrician buys a used T.V. for Rs 12,000 and a used Fridge for Rs 11,000. After spending Rs 1000 on repairing the T.V. and Rs 1500 on painting the Fridge, he fixes up the M.P. of T.V. as Rs 15,000 and that of Fridge as Rs 15,500. If he gives Rs 1000 discount on each find his profit or loss.

43. Draw a line segment AB of length 6 cm. At each end of this line segment AB, draw a line perpendicular to the line AB. Are these lines parallel?

44. Is a triangle possible with the angles 90°, 90° and 0°? Why?

45. Which of the following statements is true? Why?
(a) Every equilateral triangle is an isosceles triangle.
(b) Every isosceles triangle is an equilateral triangle.

5 x 3 = 15
47. Find A as required:
(i) The greatest 2 digit number 9A is divisible by 2.
(ii) The least number 567A is divisible by 3.
(iii) The greatest 3 digit number 9A6 is divisible by 6.
(iv) The number A08 is divisible by 4 and 9.
(v) The number 225A85 is divisible by 11.

48. Convert into lower units:
(i) 15 km (m, cm, mm)
(ii) 12 kg (g, mg)

49. Muthu has a car worth Rs 8,50,000 and he wants to sell it at a profit of Rs 25,000. What should be the selling price of the car?

50. Can a triangle be formed with 7 cm, 10 cm and 5 cm as its sides?

51. Convert '5a' into Tree diagram

52. Find the LCM of 156 and 124.

53. Complete the following table.

Sl. No C.P. in Rs M.P. in Rs S.P. in Rs Discount in Rs Profit in Rs Loss in Rs
i 110 130   5
ii 110 130   20
iii   130   15 30
iv   130   Nil   25
v   125   Nil Nil Nil
vi     350 50 100 Nil
54. A football team gains 3 and 4 points for successive 2 days and loses 5 points on the third day. Find the total points scored by the team and also represent this in tree diagram.