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## Tamilnadu Samacheer Kalvi 6th Maths Solutions Term 1 Chapter 6 Information Processing Additional Questions

Question 1.

In a meeting, breakfast is served with coffee, Tea and Milk. Breakfast items are Idly, Dosai and Pongal. Each one can have a drink and breakfast. How many such combinations can be there?

Solution:

So they have 9 combinations such as

- Coffee and Idly
- Coffee and Dosai
- Coffee and Pongal
- Milk and Idly
- Milk and Dosai
- Milk and Pongal
- Tea and Idly
- Tea and Dosai
- Tea and Pongal.

Question 2.

Place the numbers from 1 to 12 exactly once in the circles so that the sum of numbers in each of the 5 lines of the star is 24.

Solution:

By trial and error, we arrange the numbers to get the sum 24.

Question 3.

Place the numbers from 1 to 12 in the circles without repetition to get a sum of 28, 29, 30 and 31.

Solution:

Question 4.

Find the minimum number of straight lines used in forming the figure.

Solution:

The straight lines may be labelled as

Vertical lines = 5

Horizontal lines = 3

Standing lines = 6

Total of 14 lines are needed.

Question 5.

Find the dots in the 12th figure of the following:

Solution:

10th figure will have 10 × 3 = 30 dots.

And 12th figure will have 12 × 3 = 36 dots.