Information Processing Two Marks Questions

8th Standard EM

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Maths

Time : 00:45:00 Hrs
Total Marks : 30
    15 x 2 = 30
  1. In how many ways, can the teacher choose 3 students in all, one each from 10 students in VI std, 15 students in VII std and 20 students in VIII std to go to an excursion?

  2. If you have 2 school bags and 3 water bottles then, in how many different ways can you carry both a school bag and a water bottle, while going to school?

  3. A safety locker in a jewel shop requires a 4 digit unique code. The code has the digits from 0 to 9. How many unique codes are possible?

  4. Ramya wants to paint a pattern in her living room wall with a minimum budget. Help her to colour the pattern with 2 colours but make sure that no two adjacent boxes are the same colour. The pattern is shown in the picture.

  5. Colour the countries in the following maps with as few colours as possible but make sure that no two adjacent countries are of the same colour.

  6. Shanthi has 5 chudithar sets and 4 frocks. In how many possible ways, can she wear either a chudithar or a frock?

  7. An examination paper has 3 sections, each with five questions and students are instructed to answer one question from each section. In how many different ways of can the questions be answered?

  8. Colour the following pattern with as few colours as possible but make sure that no two adjacent sections are of the same colour.

  9. Convert the tree diagram into a numeric expression.

  10. (i) Find out the total time taken by the bus to reach from A to E via B , C and D.
    (ii) Find which is the shortest route from A to E.

  11. Find any four SETs among these set of cards.

  12. Think why this graph colouring is invalid?

  13. A company puts a code on each different product they sell. The code is made up of 3 numbers and 2 letters. How many different codes are possible?

  14. Rani take a survey with five 'yes' or 'No' answers. How many different ways could she complete the survey?

  15. There are 2 vegetarian entry options and 5 meat entry options on a dinner menu. What number of ways one can opt a dinner for anyone of it?

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