Govt. Exams
Entrance Exams
Advertisement
Topics in SSC CGL / CHSL / MTS
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
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
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
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
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%
