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Term 2 Information Processing Model Question Paper

8th Standard EM

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Maths

Time : 01:00:00 Hrs
Total Marks : 50
    11 x 1 = 11
  1. What is the eleventh Fibonacci number?

    (a)

    55

    (b)

    77

    (c)

    89

    (d)

    144

  2. If F(n) is a Fibonacci number and n = 8, which of the following is true?

    (a)

    F(8) = F(9) + F(10)

    (b)

    F(8) = F(7) + F(6)

    (c)

    F(8) = F(10) × F(9)

    (d)

    F(8) = F(7) – F(6)

  3. Every 3rd number of the Fibonacci sequence is a multiple of _______

    (a)

    2

    (b)

    3

    (c)

    5

    (d)

    8

  4. Every _______ number of the Fibonacci sequence is a multiple of 8

    (a)

    2nd

    (b)

    4th

    (c)

    6th

    (d)

    8th

  5. The difference between the 18th and 17th Fibonacci number is

    (a)

    233

    (b)

    377

    (c)

    610

    (d)

    987

  6. Common prime factors of 30 and 250 are

    (a)

    2 x 5

    (b)

    3 x 5

    (c)

    2 x 3 x 5

    (d)

    5 x 5

  7. Common prime factors of 36, 60 and 72 are

    (a)

    2 x 2

    (b)

    2 x 3

    (c)

    3 x 3

    (d)

    3 x 2 x 2

  8. There are four groups of letters in each set. Three of these sets are a like in some way while one is different. Find the one which is different.

    (a)

    C R D T

    (b)

    A P B Q

    (c)

    E U F V

    (d)

    G W H X

  9. There are four groups of letters in each set. Three of these sets are a like in some way while one is different. Find the one which is different.

    (a)

    H K N Q

    (b)

    I L O R

    (c)

    J M P S

    (d)

    A D G J

  10. A group of letters are given. A numerical code has been given to each letter. These letters have to be unscrambled into a meaningful word. Find out the code for the word so formed from the 4 answers given.
    L I N C P E
    1 2 3 4 5 6

    (a)

    2 3 4 1 5 6

    (b)

    5 6 3 4 2 1

    (c)

    6 1 3 5 2 4

    (d)

    4 2 1 3 5 6

  11. Find the correct answer from the four alternatives given
    If the word ‘P H O N E’ is coded as ‘S K R Q H’, how will ‘R A D I O’ be coded?

    (a)

    S C G N H

    (b)

    V R G N G

    (c)

    U D G L R

    (d)

    S D H K Q

  12. 9 x 2 = 18
  13. Using repeated division method find HCF of the following:
    455 and 26

  14. Using repeated subtracting method find HCF of the following:
    42 and 70

  15. Kalai wants to cut identical squares as big as she can, from a piece of paper measuring 168mm and by 196mm. What is the length of the side of the biggest square? (To find HCF using repeated subtraction method)

  16. Frame Additive cipher table (key = 4).

  17. Decode the given Pigpen Cipher text and compare your answer to get the Activity 3 result.

    I. The room number in which the treasure took place
     \(\sqcap \sqcup \)
    II. Place of the treasure:-
     
    III. The name of the treasure:-

  18. Using both repeated division method and repeated subtraction method and find the greatest number that divides 167 and 95, leaving 5 as reminder

  19. Using repeated division method find HCF of the following:
    184, 230 and 276

  20. Using repeated subtracting method find HCF of the following:
    36 and 80

  21. Using repeated subtracting method find HCF of the following:
    1014 and 654

  22. 2 x 3 = 6
  23. Given that one pair of new born rabbits they produce a new pair each month and from the second month, each new pair can breed themselves. Find how many pairs of rabbits are bred from one pair in a year, and find the relationship between the number of months and the number of pairs of rabbits by tabulation (a pair means (a male and a female)).

  24. Use Ceasar Cipher table set +4 and to try to solve the given secret sentence.
    fvieo mr gshiw ger fi xvmgoc

  25. 3 x 5 = 15
  26. There are 270 ginger chocolates, 384 milk chocolates and 588 coconut chocolates. What is the largest number of containers possible so that each container contains the same number of chocolates of each kind?

  27. Find the HCF of 144 and 120

  28. Do the given repeated division problem in repeated subtraction method and verify the HCF of 255, 204 and 68.

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