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Published on: 17/06/2021
QB365 provides detailed and simple solution for every book back questions in class 6 Maths subject.It will helps to get more idea about question pattern in every book back questions with solution.
Download Tamil Nadu 6th Standard Maths question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.
Questions + Answers key
Take MCQ Maths Test1.
Find the minimum number of straight lines used in forming the following figures.
2.
Find the minimum number of straight lines used in forming the following figures.
3.
Count the number of squares in each of the following figures?
4.
Count the number of squares in each of the following figures?
5.
(i) Draw the next pattern.
(ii) Prepare a table for the number of dots used for each pattern.
(iii) Explain the pattern.
(iv) Find the number of dots in the 25th pattern.
1.
There are 12 straight lines used which is minimum.
2.
There are 5 horizontal lines and 5 vertical lines.
Total 10 lines minimum needed.
3.
As we see in the figure in the middle 1, 2, 3 and 4 are 4 small squares.
Also we have 9 and 10 => 2 big squares. Outer squares 5, 6, 7, & 8 => 4.
Total = 4 + 4 + 1 + 1 = 10 squares.
4.
Smaller squares 4 \(\times\) 4 = 16 (As numbered).
As a whole bigger = 4.
Total squares = 20.
5.
(i) The next pattern is 
(ii)
| Pattern | 1 | 2 | 3 | 4 | 5 |
| Number of dots | 2 | 5 | 9 | 14 | 20 |
(iii)
| Pattern | Number of dots |
| 1 | 2 |
| 2 | 2+3 |
| 3 | 2+3+4 |
| 4 | 2+3+4+5 |
First number is 2
2nd number is 2 + 3 = 5
3rd number is 5 + 4 = 9
4th number is 9 + 5 = 14
5th number is 14 + 6 = 20
(iv) Number of dots in the 25th pattern is
| Pattern | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 |
| No. of dots | 2 | 5 | 9 | 14 | 20 | 27 | 35 | 44 | 54 | 65 | 77 | 90 | 104 | 119 | 135 | 152 | 170 | 189 | 209 | 230 | 252 | 275 | 299 | 324 | 350 |
\(\therefore \) Number of dots in the 25th pattern = 350.
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Tamilnadu Stateboard 6th Standard Subjects
Tamilnadu Stateboard Standards
