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#### Information Processing Model Question Paper

8th Standard EM

Reg.No. :
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Maths

Time : 01:00:00 Hrs
Total Marks : 30
5 x 1 = 5
1. What is the eleventh Fibonacci number?

(a)

55

(b)

77

(c)

89

(d)

144

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

(a)

233

(b)

377

(c)

610

(d)

987

3. 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

4. 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

5. 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

6. 5 x 1 = 5
7. mathematics

8. (1)

12 00 19 07 04 12 0019 08 02 18

9. addition

10. (2)

12 20 11 19 08 15 11 15 02 00 19 08 14 13

11. subtraction

12. (3)

00 03 03 08 19 08 14 13

13. multiplication

14. (4)

03 08 21 08 18 08 14 13

15. division

16. (5)

18 20 01 19 17 00 02 19 08 14 13

2 x 2 = 4
17. 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)

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

19. 2 x 3 = 6
20. 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)).

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

22. 2 x 5 = 10
23. Find the HCF of 144 and 120

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