Question

Observe the patterns of digits made from line segments of equal length and find the number of line segments required
Exercise 6.4
for n = 5, 10, 100
4
7
10
13.
(3n+1)

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Answer 1

Answer:

when n=5

(i) (3n+1)

=(3×5+1)

=16

(ii) (5n+2)

=(5×5+2)

=27

(iii) (5n+1)

= (5×5+1)

=26

when n=10

(i) (3n+1)

=(3×10+1)

=31

(ii) (5n+2)

=(5×10+2)

=52

(iii) (5n+1)

=(5×10+1)

=51

when n=100

(i) (3n+1)

=(3×100+1)

=301

(ii) (5n+2)

=(5×100+2)

=502

(iii) (5n+1)

=(5×100+1)

=(501)

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