Question

A king wanted to reward his advisor, a wise man of the kingdom. Sohe asked the wiseman to name his own reward. The wiseman thankedthe king but said that he would ask only for some gold coins eachday for a month. The coins were to be counted out in a pattern of onecoin for the first day, 3 coins for the second day, 5 coins for the thirdday and so on for 30 days. Without making calculations, find howmany coins will the advisor get in that month? not spam me plz plz plz ​

Answer 1

Answer:

As per question, 

The all over amount he will get at the end =1+3+5+...

As we observe, this is an odd number series. 

The number of term (n)=30 

We know that, 

Sum of an odd natural numbers = n2=(30)2=900

Hence, he will get 900 coins in that month. 

Answer 2

the number of term (n) = 30

sum of an odd natural numbers= n2=(30)2=900

hence , the answer is 900 coins