Evaluate: 9 + 3 + 7 + 2 − (9 + 1).

Aptitude Numbers Difficulty: Easy
Choose an option
  • A
    11
  • B
    4
  • C
    17
  • D
    15
  • E
    None of these

Answer

Correct Answer: 11

Explanation

Given data

  • Expression: 9 + 3 + 7 + 2 − (9 + 1)

Concept / Approach

  • Apply bracket first (BODMAS/PEMDAS), then perform addition and subtraction left to right.

Step-by-step calculation

Inside brackets: (9 + 1) = 10Outside sum: 9 + 3 + 7 + 2 = 21Result: 21 − 10 = 11

Common pitfalls

  • Dropping the parentheses or mis-adding 9 + 3 + 7 + 2.

Final Answer

11

Discussion & Comments
No comments yet. Be the first to comment!
Join Discussion