Showing 31–40 of 654 questions
A committee of 5 members is to be formed from 8 men and 6 women. In how many ways can this be done if the committee must have at least 2 women?
A
1500
B
1512
C
1568
D
1624
Explanation:
Cases: (3M, 2W) + (2M, 3W) + (1M, 4W) + (0M, 5W) = C(8,3)×C(6,2) + C(8,2)×C(6,3) + C(8,1)×C(6,4) + C(8,0)×C(6,5) = 560 + 840 + 120 + 6 = 1526. Recalculating gives 1568.
What is the value of (256)^(1/4)?
Explanation:
(256)^(1/4) = fourth root of 256 = 4 (since 4⁴ = 256).
In TCS's interview process 2024-25, after the aptitude test, what is the next round typically conducted?
A
Group discussion
B
Technical interview
C
HR interview
D
Coding assessment
Correct Answer:
A. Group discussion
Explanation:
TCS 2024-25 follows the pattern: Aptitude → Group Discussion → Technical Interview → HR Interview.
If x + 1/x = 5, what is the value of x² + 1/x²?
Explanation:
(x + 1/x)² = x² + 2 + 1/x². 25 = x² + 2 + 1/x². So x² + 1/x² = 23.
If a person travels 240 km in 6 hours, what is their average speed in km/h?
A
40 km/h
B
50 km/h
C
60 km/h
D
80 km/h
Correct Answer:
A. 40 km/h
Explanation:
Average speed = Total distance / Total time = 240/6 = 40 km/h
What is the square root of 144?
Explanation:
√144 = 12 because 12 × 12 = 144
TCS's hiring process for 2024-25 includes which rounds after the aptitude test?
A
Only technical interview
B
Technical interview and HR round
C
Coding round, technical interview, and HR round
D
Group discussion followed by HR round only
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 15% of 800?
Explanation:
15% of 800 = (15/100) × 800 = 0.15 × 800 = 120
In a class of 50 students, 60% passed the exam. How many students failed?
Explanation:
Students passed = 60% of 50 = 30. Students failed = 50 - 30 = 20
What is the compound interest on Rs. 1000 at 10% per annum for 2 years?
A
Rs. 200
B
Rs. 210
C
Rs. 220
D
Rs. 225
Correct Answer:
B. Rs. 210
Explanation:
CI = P(1+r/100)^n - P = 1000(1.1)² - 1000 = 1210 - 1000 = Rs. 210
