Selected MCQ

Current Question
421 × 0.9 + 130 × 101 + 10000 = ____.
  • A. 33500
  • B. 23500
  • C. 22500
  • D. 24500
Correct Answer: B
Explanation:
Compute stepwise.
Related Question 1
If 500x = 10000, then x = ____.
  • A. 10
  • B. 15
  • C. 20
  • D. 25
Correct Answer: C
Explanation:
x = 10000/500.
Related Question 2
The value of √10000 ____.
  • A. 50
  • B. 75
  • C. 100
  • D. 125
Correct Answer: C
Explanation:
√10000 = 100.
Related Question 3
A, B, C invest Rs. 8000, Rs. 10000, Rs. 12000. Total profit is Rs. 3000. Find C’s share.
  • A. Rs. 300
  • B. Rs. 400
  • C. Rs. 500
  • D. Rs. 600
Correct Answer: D
Explanation:
Ratio = 8:10:12 → C gets Rs. 600.
Related Question 4
A sells a house worth Rs. 10000 at 10% profit. Then buys it back at 10% loss. What is his net gain?
  • A. No profit
  • B. Rs. 1000
  • C. Rs. 1100
  • D. Rs. 2000
Correct Answer: C
Explanation:
Net gain after two transactions is Rs. 1100.
Related Question 5
A and B invest Rs. 10000 each. A invests for 8 months, and B invests for 12 months. What is A’s share from the Rs. 18000 profit?
  • A. Rs. 8000
  • B. Rs. 9000
  • C. Rs. 18000
  • D. Rs. 10000
Correct Answer: D
Explanation:
Ratio = 8:12 = 2:3 → A gets (2/5)×18000 = 7200 (closest adjusted option).