Pseudo-code · Question 7 · Medium

What will be the output of the following pseudocode? (Note: for-loop bounds are inclusive.)

Integer i, j, k
Set k = 0
for (i = 1 to 4)
    for (j = i to 4)
        k = k + 1
    end for
end for
Print k
  1. 16
  2. 10
  3. 6
  4. 4
Answer and explanation

Answer: B. 10

Explanation: For i = 1, 2, 3, 4 the inner loop runs 4, 3, 2 and 1 times, so k = 4 + 3 + 2 + 1 = 10.

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