A student scored 42% marks and failed by 12 marks. Another student scored 58% marks and got 20 marks more than the passing marks. Find the maximum marks. MCQ with Answer and Explanation
Question
Report Error
Discuss this Question (0)
Practice More Percentage Questions
Question #1
Report Error
If the length of a rectangle is increased by 25%, by what percentage must the width be decreased to keep the area unchanged?
Correct Answer: Option A
Explanation:
Required decrease = (25 / 125) * 100 = 20%.
Required decrease = (25 / 125) * 100 = 20%.
This question belongs to:
Maths
Percentage
Question #2
Report Error
The population of a town increases by 10% annually. If the current population is 12,100, what was the population two years ago?
Correct Answer: Option C
Explanation:
Let the population two years ago be P. P * (110 / 100) * (110 / 100) = 12100. P * 1.21 = 12100 implies P = 10000.
Let the population two years ago be P. P * (110 / 100) * (110 / 100) = 12100. P * 1.21 = 12100 implies P = 10000.
This question belongs to:
Maths
Percentage
Question #3
Report Error
The price of sugar goes up by 30%. By what percent must a householder reduce consumption so that expenditure increases only by 5%?
Correct Answer: Option D
Explanation:
1.3 × x = 1.05 → x = 1.05/1.3 ≈ 0.8077, reduction 19.23%.
1.3 × x = 1.05 → x = 1.05/1.3 ≈ 0.8077, reduction 19.23%.
This question belongs to:
Maths
Percentage
No comments yet. Be the first to start the discussion!