Selected MCQ

Current Question
In the first 10 overs, the run rate is 3.2. Required rate for 50 overs to reach 300 runs is ____.
  • A. 6.25
  • B. 6.5
  • C. 6.75
  • D. 7
Correct Answer: A
Explanation:
Remaining runs/time yield the required rate of 6.25.
Related Question 1
Pipes A, B, C fill tank in 12, 15, 20 houRs. If A alone works, time required is ____.
  • A. 6 hrs
  • B. 6⅔ hrs
  • C. 7 hrs
  • D. 7½ hrs
Correct Answer: C
Explanation:
Based on the given combination.
Related Question 2
Three persons invest Rs. 9000. Second invests Rs. 3000. Profit share of first is ____.
  • A. Rs. 2400
  • B. Rs. 3600
  • C. Rs. 2850
  • D. Rs. 2000
Correct Answer: A
Explanation:
Profit shares are proportional to investment.
Related Question 3
Three numbers are co-prime. The product of the first two is 551. Find the third.
  • A. 75
  • B. 81
  • C. 85
  • D. 89
Correct Answer: C
Explanation:
Factorization approach.
Related Question 4
Three consecutive odd integers have a sum such that the last two exceed the first by 13. Find numbeRs.
  • A. 9,11,13
  • B. 11,13,15
  • C. 13,15,17
  • D. 7,9,11
Correct Answer: D
Explanation:
Solve a linear relation.
Related Question 5
The price of an article increases by 30% in the first year and decreases by 20% in the next year. What is the net change?
  • A. Rs. 1500
  • B. Rs. 1800
  • C. Rs. 2000
  • D. Rs. 2400
Correct Answer: C
Explanation:
Net factor = 1.3 × 0.8 = 1.04 → 4% increase.