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Numbers

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Question

Look at this pattern of numbers and take it forward.

1 = 1 × 1

121 = 11 × 11

12321 = 111 × 111

1234321 = ?

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Solution

1 = 1 × 1

121 = 11 × 11

12321 = 111 × 111

1234321 = 1111 × 1111

123454321 = 11111 × 11111

12345654321 = 111111 × 111111

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Similar questions

\begin{array}{rcccr} (0 \times 9) & + & 1 & = & 1 \\ (1 \times 9) & + & 2 & = & 11 \\ (12 \times 9) & + & 3 & = & 111 \\ (123 \times 9) & + & 4 & = \\ (1234 \times 9) & + & 5 & = \\ (12345 \times 9) & + & 6 & = \end{array}

Arrange the numbers in ascending order:

-1, -11 , 111 , -111 , 11 , 0 , 1

30 = 2^{1} \times 3^{1} \times 5^{1}

(1 + 1) (1 + 1) (1 + 1) = 2 \times 2 \times 2 = 8

30

8

1, 2, 3, 5, 6, 10, 15, 30

91 \times 11 \times 8

91 \times 11 \times 1 = 1001

91 \times 11 \times 2 = 2002

91 \times 11 \times 3 = 3003

1^{2} = 1

11^{2} = 121

111^{2} = 12321

1111^{2} = 1234321

11111^{2} = 123454321

111111^{2} =

1111111^{2} =

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