Question

Integer i,j,sum, n;
Set sum=0, n=7;
Repeat for i=1 to n
Repeat for j=1 to i
sum=sum+j
End loop
End loop
Print sum​

Answer 1

Answer:

I think sum is 21.

Explanation:

sum=0+1

1+2=3

3+3=6

6+4=10

10+5=15

15+6=21

Answer 2

We recall the concept of program

Program is a procedure for solving a problem with a computer

Given:

Repeat for i=1 to n

Repeat for j=1 to i

sum=sum+j

From above we get,

When $i=1,j=1$

$Sum=1$

When $i=2,j=1,2$

$Sum=4$

When $i=7,j=1 to 7$

$Sum=84$

The sum is $84$