#### Half Yearly Revision Test 1

6th Standard

Reg.No. :
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Maths

Time : 02:30:00 Hrs
Total Marks : 75

Part A

10 x 1 = 10
1. The Arabian Sea has an area of 1491000 square miles. This area lies between which two numbers?

(a)

1489000 and 1492540

(b)

1489000 and 1490540

(c)

1490000 and 1490100

(d)

1480000 and 1490000

2. The value of ‘x’ in the circle is

(a)

6

(b)

8

(c)

21

(d)

22

3. If 2 : 3 and 4: ___ are equivalent ratios, then the missing term is

(a)

6

(b)

2

(c)

4

(d)

3

4. In this Figure, which is not the correct way of naming an angle?

(a)

∠Y

(b)

∠ZXY

(c)

∠ZYX

(d)

∠XYZ

5. The tally marks represents the number count

(a)

5

(b)

8

(c)

9

(d)

10

6. A Pictograph is also known as____________.

(a)

Pictoword

(b)

Pictogram

(c)

Pictophrase

(d)

Pictograft

7. 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

8. 9 m 4 cm is equal to ____________

(a)

94 cm

(b)

904 cm

(c)

9.4 cm

(d)

0.94 cm

9. 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

10. Which of the following correctly describes the given triangle?

(a)

It is a right isosceles triangle.

(b)

It is an acute isosceles triangle.

(c)

It is an obtuse isosceles triangle.

(d)

It is an obtuse scalene triangle.

11. Part B

10 x 1 = 10
12. If Arulmozhi saves Rs 12 per day, then she saves Rs ________ in 30 days.

()

360

13. Division by __________ is not defined.

()

Zero

14. If there are 5 students in a bench, then the number of students in ‘n’ benches is ‘5 × n’. Here_____________is a variable.

()

n

15. Ratio of 75 paise to Rs 2 = __________.

()

3: 8

16. Observe the diagram and fill in the blanks. ‘A’, ‘B’ and ‘C’ are _________ points.

()

Non-Collinear

17. (i) 'A' , 'O' and 'B' are______________ points
(ii) 'A', 'O' and 'C' are ____________ points
(iii) 'A' 'B' and, 'C' are_________ points
(iv) _________ is the point of concurrency

()

(i) collinear points
(ii) non collinear points
(iii) end points / non collinear points.
(iv) 0 is the point of concurrency.

18. The tally marks for number 7 in standard form is________________.

()

19. A observation occuring 8 times in a data is represented as _________ using tally marks.

()

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

21. A right angled triangle with two equal sides is called _____________.

()

isosceles right angled triangle

22. Part C

5 x 1 = 5
23. The total number of 4 digit numbers is 9000.

(a) True
(b) False
24. The length of part B in the pencil shown is ‘a − 6’.

(a) True
(b) False
25. The statements ‘x’ divided by 3 and 3 divided by ‘x’ are the same.

(a) True
(b) False
26. If 40 is divided in the ratio 3: 2, then the larger part is 24.

(a) True
(b) False
27. 80° and 180° are supplementary.

(a) True
(b) False
28. Part D

5 x 2 = 10
29. Arrange the following numbers in the descending order:
128435, 10835, 21354, 6348, 25840

30. The cost of 15 chairs is Rs7500. Find the number of such chairs that can be purchased for Rs12,000?

31. Find the complementary angle of  0º

32. Find the type of lines marked in thick lines (Parallel, intersecting or perpendicular).

33. Draw the diagram of two angles having only one common point.

34. Part E

5 x 3 = 15
35. Athiyan and Mugilan are brothers. Athiyan is ‘p’ years old and Mugilan is elder to Athiyan by 6 years. Write an algebraic statement for this and find the age of Mugilan if Athiyan is 20 years old.

36. The fruits liked by the students of a class are as follows:

 Fruits Bananas Grapes Apples Mangoes Guavas Papayas Other fruits Number of students 8 10 8 7 12 3 2

Draw a Bar Graph for this data.

37. (i) Draw the next pattern.
(ii) Prepare a table for the number of dots used for each pattern.
(iii) Explain the pattern.
(iv) Find the number of dots in the 25th pattern.

38. Valarmathi sold her pearl set for Rs 30,000 at profit of Rs 5000. Find the cost price of the pearl set.

39. Verify whether given trees are equal or not

40. Part F

5 x 5 = 25
41. The rectangles made of identical square blocks with varying lengths but having only two square blocks as width are given below.

(i) How many small size squares are there in each of the rectangles P, Q, R and S?
(ii) Fill in the boxes.

 Rectangle P Q R S T Number of small size squares along the breadth 2 2 ? 2 2 Number of squares along the length 1 4 3 ? x Total number of squares in rectangle ? 8 ? 10 ?
42. Viji threw a die 30 times and noted down the result each time as follows. Prepare a table on the numbers shown using Tally Marks.
14 3 5 5 6 6 4 3 5 4 5 6 5 2
4 2 6 5 5 6 6 4 5 6 6 5 4 1 1

43. Using the numbers from 1 to 9
(i) Can you form a magic triangle?
(ii) How many magic triangles can be formed?
(iii) What are the sums of the sides of the magic triangle?

44. Prepare a bill for the following purchases at Aavin sales counter in Coimbatore on 25-06-2018 bearing the Bill number 160.
1. 5 packets Milk Khoa of 100 gm @ Rs 40 each
2. 5 packets of Butter Milk @ Rs 8 each
3. 6 packets Milk of 500ml @ Rs 25 each
4. 5 packets Ghee of 100gm @ Rs 40 each

45. Construct a line perpendicular to the given line at a point on the line.