Govt Exams
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Two numbers are in the ratio 3:4. If their sum is 140, what is the larger number?
Correct Answer:
C. 80
EXPLANATION
Let numbers be 3x and 4x. Sum = 7x = 140, so x = 20. Larger number = 4×20 = 80
If the ratio of A:B:C is 2:3:5 and their sum is 100, what is the value of C?
Correct Answer:
C. 50
EXPLANATION
Let A=2x, B=3x, C=5x. Sum = 10x = 100, so x=10. Therefore C = 5×10 = 50
What percentage of 250 is 75?
Correct Answer:
C. 30%
EXPLANATION
(75/250) × 100 = 30%
A boat covers 15 km upstream and 25 km downstream in 5 hours. What is the speed of the boat in still water if the river current is 2 km/h?
Correct Answer:
B. 8 km/h
EXPLANATION
Let boat speed = b. Upstream speed = b-2, Downstream speed = b+2. 15/(b-2) + 25/(b+2) = 5. Solving gives b = 8 km/h
What is the compound interest on Rs. 1000 at 10% per annum for 2 years?
Correct Answer:
B. Rs. 210
EXPLANATION
CI = P(1+r/100)^n - P = 1000(1.1)² - 1000 = 1210 - 1000 = Rs. 210
In a class of 50 students, 60% passed the exam. How many students failed?
Correct Answer:
B. 20
EXPLANATION
Students passed = 60% of 50 = 30. Students failed = 50 - 30 = 20
What is 15% of 800?
Correct Answer:
C. 120
EXPLANATION
15% of 800 = (15/100) × 800 = 0.15 × 800 = 120
TCS's hiring process for 2024-25 includes which rounds after the aptitude test?
Correct Answer:
C. Coding round, technical interview, and HR round
EXPLANATION
TCS 2024-25 recruitment follows a multi-stage process: aptitude test, coding round (CodeVita style), technical interview, and HR interview
What is the square root of 144?
Correct Answer:
B. 12
EXPLANATION
√144 = 12 because 12 × 12 = 144
If a person travels 240 km in 6 hours, what is their average speed in km/h?
Correct Answer:
A. 40 km/h
EXPLANATION
Average speed = Total distance / Total time = 240/6 = 40 km/h