Question

In the sequence 1, 22, 333, 4444, 55555, 666666, ........ the
sum of the digits in the 20th term is
​

Answer 1

The sum of the digits in the 20th term is 2870

Hope this will help you..

Answer 2

Sum of digits in the 20th term=40

Step-by-step explanation:

Given sequence

1,22,333,4444,55555,666666,...

Sum of digit of first term =1

Sum of digits of second term=2+2=4=$2^2$

Sum of digits of third term=3+3+3=9=$3^2$

Sum of digits of fourth term=4+4+4+4=16=$4^2$

Sum of digits of fifth term =5+5+5+5+5=25=$5^2$

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Sum of digits in 11th term=1+1+1+1+..+1(22 times)=22

Substitute n=20

Sum of digits in the 20th term=2+0+2+0+2+0+2+0+...+2(20 times)+0(20 times)=40