45% of 750 — Percentages Aptitude Question
45% of 750: What is 45% of 750? Answer and worked solution on CodeKairo.
- Topic: Percentages
- Section: Quantitative Aptitude
- Difficulty: Easy
- Time target: 40 seconds
Question
What is 45% of 750?
Options
- 312.5
- 325
- 337.5
- 350
Show the answer and the worked solution
Correct answer: C. 337.5
Worked solution
- 10% of 750 = 75, so 40% = 300.
- 5% = 37.5.
- 45% = 300 + 37.5 = 337.5.
Answer: 337.5.
The idea
Build awkward percentages from 10% and 5% blocks rather than multiplying directly. It is faster mentally and far less error-prone.
Shortcut. Swap the roles: 45% of 750 = 750% of 45 = 7.5 × 45 = 337.5. Or half of 750 (375) minus 5% (37.5).
Common trap. 325 — halving 750 to 375 and then taking off 50 (5% of 1,000) instead of 37.5 (5% of 750).