VI Standard - 6th - Mathematics - Maths - Half Yearly Examination Question Paper - Samacheer Kalvi

 

                   

                             HALF YEARLY EXAMINATION

Class:VI                                                                                                              Marks: 100

Sub: Maths                                                                                                        Time: 2.30 hrs.

I Choose the correct answer:                                                                                 10x1=10

1.The only even prime number is _______

     a) 4              b) 6                 c) 2               d) 0

2.Which of the following pairs is  co-prime ?

      a) 51,63           b) 52,91            c) 71,81                 d) 81,99

3. 3 weeks = ________ days

    a) 21                     b)7                 c) 14                    d) 28

4. 2   years is equal to _____months

      a) 25              b) 30                  c)24                d) 5

5. S.P =________-   Discount

      a)M.P            b)C.P                c) Loss       d) Profit

6. An equilateral triangle is ______

     a) an obtuse angled triangle              b) a right angled triangle           

     c)an acute angled triangle                 d) a scalene triangle

7. In a triangle the sides are unequal then it is a _________ triangle

     a) acute             b) isosceles           c) scalene            d) none of these

8. 7 km – 4200 m = ______

      a) 3 km 800 m       b)  2 km 800 m         c) 3 km 200 m           d) 2 km 200 m

9. Number of ordinary years between  two consecutive leap year is ____

      a) 4 years          b) 1 year            c) 2years               d) 3 years

10. The sum of the factors of 27 is   _______

         a) 28                 b) 37                 c)   40                   d)  31

II      FILL IN THE BLANKS                                                                                  10 X 1=10

11. The numbers 29 and _______ are twin primes

12. The sum of distinct prime factors of 30 is ________

13. If the LCM of 3 and 9 is 9 ,then their HCF is ______

14. 450 ml X 5 =  _______l ________ml

15.50 kg   ÷  100 g = _________

 16. 1 m = _________cm

17. If there is no profit or loss,then__________

18. The sum of three angles of a triangle is _________

19. Every triangle has atleast ______________acute angles

20.___________diagram for both numeric and algebraic expressions.

III   ANSWER ANY SEVEN  OF THE FOLLOWING QUESTIONS                                                7X2=14

21. Write the smallest and the biggest two digit prime number.

22. Find the HCF of  40 and 56 by using prime factorisation method

23.  A calf drinks 5.750 l of water , convert into ml

24. Change the following into 24 hour format    (i) 12.00 midnight        (ii) 3.15 a.m

25. If C.P =   80 and loss =  15 .Find S.P

26. If M.P =   120 , C.P =    110 and loss =  10 then find S.P , Discount

27. Can a triangle be formed with the angles 70 , 60 , 50

28. Convert ‘3a - b’ into tree diagram

29. Convert into tree diagram :   9 – (2x3)

IV ANSWER ANY SEVEN OF THE FOLLOWING QUESTIONS                                                    7 X 3 =21

30. Find the dates of any month in a calendar which are divisible by both 2 and 3

31. Find the LCM of 14,42 by using prime factorisation method

32. Find the duration between 17:00 hours and 5:15 hours

33 . convert  into   3  hours  into minutes

34.  A table is bought for   4500 and sold for   4800 .Find the profit or loss.

35. Amutha marked her home product  of pickle as    300 per pack. But she sold it for only                      275 per pack. What was the discount offersd by her per pack?

36. Can a triangle be formed with 8 cm, 6cm,4cm as its sides?

37. classify the following triangles based on its sides and angles.

          

 

 

 

38.Convert into a tree diagram:   (10 x 9) – [(8 x 2)+ 3]

V. ANSWER ANY SEVEN OF THE FOLLOWING QUESTIONS                                            7 X 5 = 35

 39. Find the prime factorisation  of 144 by factor tree method and division method.

40. The traffic lights at three different road junctions change after every 40 seconds ,60 seconds            and 72 seconds respectively. If they simultaneously together at 8a.m at the junctions at          what time will they simultaneously change together again?

41. In a JRC one day camp,150gm of rice and 15ml oil are needed for a student .if there are 40 students to attend the camp how much of rice and oil are needed ?

42 .If Wednesday falls 20^th of December 2017.What is the day on 8^th june 2018 ? Also say the      number of days between these two dates.

43  A fruit seller bought a dozen apples for   84. 2 apples are rotten .If he has to get a profit

      of 16 , find the S.P of each apple.

 

44. Prepare a bill for the following books of  biographics  purchased from  Marathu   book                                   

       Store, Chidambaram on 12 .04. 2018 bearing the bill number 507.

       10 copies of subramanya Bharathiar @    55 each ,

       15 copies of Thiruvalluvar @    75 each ,

       12 copies of Veeramamunivar @     60 each     and

       12 copies of thiru.vi.ka @      70 each.

45. Two angles of the triangle are given.Find the third angle (i) 52 ,68         (ii) 50 ,90

 46.  In one year ,a paper company had sold 6,25,610 notebooks out of a stock of 7,50,800     

        Notebooks .Find the number of notebooks left unsold.

47.  Convert into tree diagram :  (i) 3a + b    (ii) [(2 x 4)+2] x (8)       

VI  ANSWER ANY TWO OF THE FOLLOWING QUESTIONS                                                      2 X 5 =10

48. Draw a line segment AB=7cm and mark a point P on it. Draw a line perpendicular to  the      given line segment at P

49. Construct a line perpendicular to the given line through a point above it.

50. Draw a line segment measuring 7.8 cm. Mark a point B above it at a distance of 5cm.           Through B draw a line parallel to the given line segment.