Central Exam — Quantitative Aptitude
UPSC · SSC · Bank · Railway · NDA — Central Government Exam MCQ Practice
Showing 381–390 of 429 questions
Q.381
Easy
Percentage
A student scored 72% in an exam out of 150 marks. How many marks did he score?
Correct Answer:
C. 108
Explanation:
Marks = 150 × 0.72 = 108.
Q.382
Easy
Percentage
A man's salary increased from ₹30,000 to ₹36,000. What is the percentage increase?
Correct Answer:
C. 20%
Explanation:
Increase = 6000. Percentage = (6000/30000) × 100 = 20%.
Q.383
Easy
Percentage
If the cost price is ₹2000 and profit is 15%, what is the selling price?
Correct Answer:
C. ₹2300
Explanation:
SP = 2000 × 1.15 = 2300.
Q.384
Easy
Percentage
A shopkeeper sells an item at ₹450 after giving a 10% discount on the marked price. What is the marked price?
Correct Answer:
A. ₹500
Explanation:
If SP = ₹450 and discount = 10%, then MP × 0.9 = 450. MP = 450/0.9 = ₹500
Q.385
Easy
Percentage
Two successive discounts of 20% and 15% are given on an article. What is the effective discount percentage?
Correct Answer:
A. 32%
Explanation:
Effective discount = 20 + 15 - (20×15)/100 = 35 - 3 = 32%
Q.386
Easy
Percentage
A's salary is 40% more than B's salary. If their combined salary is ₹84,000, what is B's salary?
Correct Answer:
A. ₹35,000
Explanation:
Let B's salary = x. A's salary = 1.4x. x + 1.4x = 84,000. 2.4x = 84,000. x = ₹35,000
Q.387
Easy
Percentage
If the population of a city increases by 5% annually, what will be the population after 2 years if the current population is 10,00,000?
Correct Answer:
A. 11,02,500
Explanation:
Population after 2 years = 10,00,000 × (1.05)² = 10,00,000 × 1.1025 = 11,02,500
Q.388
Easy
Percentage
A vendor buys apples at ₹30 per kg and sells at ₹42 per kg. What is his profit percentage?
Correct Answer:
B. 40%
Explanation:
Profit% = [(42-30)/30] × 100 = (12/30) × 100 = 40%
Q.389
Easy
Percentage
A trader buys an item for ₹800 and sells it at a loss of 12.5%. What is the selling price?
Correct Answer:
A. ₹700
Explanation:
SP = CP × (1 - loss%) = 800 × (1 - 0.125) = 800 × 0.875 = ₹700
Q.390
Easy
Percentage
The price of petrol increased from ₹95 to ₹114 per liter in 2024. What is the percentage increase?
Correct Answer:
B. 20%
Explanation:
Percentage increase = [(114-95)/95] × 100 = (19/95) × 100 = 20%