CBSEi Class 10 Sequences (AP and GP) CORE
CBSEi Class 10 Sequences (AP and GP) CORE
CBSEi Class 10 Sequences (AP and GP) CORE
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2 nd number = 3 = 2+1<br />
3 rd number = =<br />
4 th number = 5 = 4+1<br />
5 th number =<br />
6 th number = 7 = 6+1<br />
Now, 7 th number = =<br />
<strong>and</strong> so on.<br />
8 th number = 8+1 = 9<br />
Let us consider some more examples:<br />
Example 1: Observe the following geometric pattern <strong>and</strong> write the number of dots in<br />
the next cube.<br />
1<br />
Solution: We get the following pattern of dots:<br />
1 3 , 2 3 , 3 3 , …<br />
So, number of dots in the next cube will be 4 3 = 64<br />
Example 2: Find the next number in the following patterns:<br />
(i) 1, 2, 3, 4, 5, ____________<br />
(ii) 1, 3, 5, 7, 9, ____________<br />
40