Array in C++ › Array in C++ › Question #24497
MCQ Single Best Answer Moderate

QWhat is the output of the following code? 

int a[3] = {10, 20, 30};
cout << a[1];

ID: #24497 Array in C++ 35 views
Question Info
#24497Q ID
ModerateDifficulty
Array in C++Topic
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Choose the Best Option

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  • A 10 ✔ ✖
  • B 20 ✔ ✖
  • C 30 ✔ ✖
  • D Garbage value ✔ ✖
Correct Answer: Option B

Explanation

In C++, array indexing starts from 0.

int a[3] = {10, 20, 30};

Index-wise values:

  • a[0] = 10

  • a[1] = 20

  • a[2] = 30

The statement:

cout << a[1];

prints the value at index 1, which is 20.

 Correct Answer: B) 20

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