Selected MCQ

Current Question
Entry fee is Rs. 15, Rs. 7.50 and Rs. 2.50 for 3 days. What is the average fee ____.
  • A. Rs. 3
  • B. Rs. 4.50
  • C. Rs. 5.00
  • D. Rs. 7.50
Correct Answer: C
Explanation:
Average = (15+7.5+2.5)/3.
Related Question 1
12 children take 16 days to finish work. Time for the same work with a different number is ____.
  • A. 3 days
  • B. 4 days
  • C. 6 days
  • D. 8 days
Correct Answer: C
Explanation:
Work is inversely proportional.
Related Question 2
Three years ago, the average age of 6 members was 19. Find the present age of a boy.
  • A. 1 year
  • B. 1.5 years
  • C. 2 years
  • D. 2.5 years
Correct Answer: A
Explanation:
Total age difference method.
Related Question 3
A student scores 60 in Maths and Physics. Chemistry is 20 marks more than Maths. Find the average marks.
  • A. 40
  • B. 30
  • C. 25
  • D. Data inadequate
Correct Answer: A
Explanation:
Total = 60 + 60 + 80 = 200 → avg = 40.
Related Question 4
The temperature at noon was 6°C on Monday and 4°C on Tuesday. Find the average temperature change.
  • A. 14°C
  • B. −2°C
  • C. 2°C
  • D. 7°C
Correct Answer: C
Explanation:
Change = 6 − 4 = 2°C.
Related Question 5
A petrol tank lasts 10 days. If consumption patterns change, how long will it last?
  • A. 5 days
  • B. 6 days
  • C. 7 days
  • D. 8 days
Correct Answer: D
Explanation:
Adjusting the consumption rate leads to a duration of 8 days.