a,b and c are positive integers.If b equals the square root of a ,and if c equals the sum of a and b,which of the following could be the value of c?

a,b and c are positive integers.If b equals the square root of a ,and if c equals the sum of a and b,which of the following could be the value of c?

A 21

B 30

C 45

D 331

Solution

Correct Answer: Option B

এখানে b,=√a

এবং c=a+b =a+√a
এখন,a=25 হলে √a=5
অতএব, c=25+5=30