Central Exam — SSC CGL / CHSL / MTS
UPSC · SSC · Bank · Railway · NDA — Central Government Exam MCQ Practice
Showing 1–10 of 439 questions
Q.1
Easy
Quantitative Aptitude
A shopkeeper sells an item at Rs. 450 which costs him Rs. 300. What is his profit percentage?
Correct Answer:
A. 50%
Explanation:
Profit = 450 - 300 = 150. Profit% = (150/300) × 100 = 50%
Q.2
Easy
Quantitative Aptitude
If 5 workers can complete a job in 12 days, how many days will 8 workers take to complete the same job?
Correct Answer:
A. 7.5 days
Explanation:
Work = 5 × 12 = 60 worker-days. With 8 workers: 60/8 = 7.5 days
Q.3
Easy
Quantitative Aptitude
What is the simple interest on Rs. 2000 at 8% per annum for 3 years?
Correct Answer:
A. Rs. 480
Explanation:
SI = (P × R × T)/100 = (2000 × 8 × 3)/100 = 480
Q.4
Easy
Quantitative Aptitude
A number is 25% more than another number. If the smaller number is 80, what is the larger number?
Correct Answer:
A. 100
Explanation:
Larger number = 80 + (25% of 80) = 80 + 20 = 100
Q.5
Easy
Quantitative Aptitude
The ratio of A's age to B's age is 3:5. If the sum of their ages is 40 years, what is A's age?
Correct Answer:
C. 15 years
Explanation:
Let A's age = 3x, B's age = 5x. 3x + 5x = 40, so 8x = 40, x = 5. A's age = 15 years
Q.6
Easy
Quantitative Aptitude
What is 40% of 250?
Correct Answer:
C. 100
Explanation:
40% of 250 = (40/100) × 250 = 100
Q.7
Easy
Quantitative Aptitude
A train covers 360 km in 6 hours. What is its average speed?
Correct Answer:
B. 60 km/h
Explanation:
Average speed = Distance/Time = 360/6 = 60 km/h
Q.8
Easy
Quantitative Aptitude
The LCM of 12 and 18 is?
Correct Answer:
C. 36
Explanation:
12 = 2² × 3, 18 = 2 × 3². LCM = 2² × 3² = 36
Q.9
Medium
Quantitative Aptitude
A vendor buys bananas at Rs. 3 per dozen and sells at Rs. 0.35 per banana. What is his profit percentage?
Correct Answer:
A. 40%
Explanation:
Cost per banana = 3/12 = 0.25. Selling price = 0.35. Profit% = ((0.35-0.25)/0.25) × 100 = 40%
Q.10
Medium
Quantitative Aptitude
Two numbers are in the ratio 4:7. Their difference is 21. What is the larger number?
Correct Answer:
B. 49
Explanation:
Let numbers be 4x and 7x. 7x - 4x = 21, so 3x = 21, x = 7. Larger number = 7×7 = 49