Find the number of dots in the tenth figure of the following patterns.
A
121
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B
25
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C
100
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D
None of the above
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Solution
The correct option is C
100 The number of dots given are 1, 4, 9, 16, 25........
The number of dots in the pattern
1 × 1 = 1
2 × 2 = 4
3 × 3 = 9
4 × 4 = 16
.
.
.
.10 × 10 = 100