allerySum of first 50 positive integers equals:
- 1250
- 1300
- 1275
- 1225
Show answer and solution
Correct answer: C. 1275
1. Sum = n(n+1)/2 = 50·51/2 = 1275.
_Source: 501-GMAT-Questions Section 4 / Manhattan Quant Bank_
GMAT Arithmetic — practice questions
Explore 2 free Arithmetic questions in GMAT Quantitative Reasoning. Open each question or exercise to read its content, reference answers and available explanation.
Practise Arithmetic with Quill →Arithmetic questions and exercises with answers
Showing questions 1–2 of 2.
Worked practice questions
Average of 8 numbers is 12. Sum equals:
- 84
- 112
- 100
- 96
Show answer and solution
Correct answer: D. 96
1. Sum = mean × count = 12 × 8 = 96.
_Source: 501-GMAT-Questions Section 4 / Manhattan Quant Bank_
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