Selected MCQ

Current Question
If 80x = 1600, then x = ____.
  • A. 10
  • B. 15
  • C. 20
  • D. 25
Correct Answer: C
Explanation:
x = 1600/80.
Related Question 1
The value of √160000 ____.
  • A. 350
  • B. 375
  • C. 400
  • D. 425
Correct Answer: C
Explanation:
√160000 = 400.
Related Question 2
The value of √1600 ____.
  • A. 30
  • B. 35
  • C. 40
  • D. 45
Correct Answer: C
Explanation:
√1600 = 40.
Related Question 3
A person buys a TV for Rs. 16000 and a DVD for Rs. 6250. He sells both for Rs. 31150. What is profit percent?
  • A. 30%
  • B. 35%
  • C. 40%
  • D. 45%
Correct Answer: C
Explanation:
Profit = 31150 − 22250 = 8900 → 40%.
Related Question 4
A invests Rs. 16000 for 8 months while B invests for 4 months. Find B’s investment if the profit ratio is equal.
  • A. Rs. 10000
  • B. Rs. 12800
  • C. Rs. 6000
  • D. Rs. 8000
Correct Answer: B
Explanation:
Equal profit ⇒ investments are inversely proportional to time.