What is the time complexity of binary search?

The correct answer is C: O(log n). Binary search has a time complexity of O(log n) because it divides the search space in half with each iteration.

Two pipes A and B can fill a tank in 12 hours and 18 hours respectively. If both pipes are opened together, how long will it take to fill the tank?

The correct answer is B: 7.2 hours. Rate of A = 1/12 per hour. Rate of B = 1/18 per hour. Combined rate = 1/12 + 1/18 = 3/36 + 2/36 = 5/36. Time = 36/5 = 7.2 hours

If APPLE is coded as 1-16-16-12-5, how is ORANGE coded?

The correct answer is A: 15-18-1-14-7-5. Each letter is coded by its position in the alphabet. O=15, R=18, A=1, N=14, G=7, E=5

What is an 'Interface' in OOP?

The correct answer is B: A contract that specifies methods a class must implement. An interface is an abstract type that defines a set of methods that implementing classes must provide.

How does Wipro categorize its service offerings primarily?

The correct answer is B: IT Services, Business Process Services, and Infra Engineering Services. Wipro organizes its services into three main categories: IT Services, Business Process Services, and Infra Engineering Services.

Home

Home › Subjects › Placement Papers › TCS Questions

Placement Papers
TCS Questions

TCS, Infosys, Wipro, Cognizant actual papers

12 Q 10 Topics Take Mock Test

Difficulty: All Easy Medium Hard 11–12 of 12

Topics in Placement Papers

All TCS Questions 100 Capgemini Questions 55 IBM Questions 50 Infosys Questions 100 Wipro Questions 100 Accenture Questions 55 Cognizant Questions 50 HCL Questions 50 Amazon Questions 50 Google Questions 44

Q.11 Hard TCS Questions

A train 150 m long passes a pole in 15 seconds. What is its speed?

A 30 km/h

B 36 km/h

C 40 km/h

D 45 km/h

Correct Answer: B. 36 km/h

EXPLANATION

Speed = Distance/Time = 150/15 = 10 m/s = 10×3.6 = 36 km/h

Test

Q.12 Hard TCS Questions

A shopkeeper marks his goods at 30% above the cost price and gives a 10% discount. What is his profit percentage?

A 15%

B 17%

C 19%

D 21%

Correct Answer: B. 17%

EXPLANATION

Let CP = 100. MP = 130. SP = 130 - (10% of 130) = 130 - 13 = 117. Profit% = ((117-100)/100)×100 = 17%

Test

1 2

All Subjects & Topics

Govt. Exams

Entrance Exams

Teacher Exams

Subjects

Quick Links

Placement Papers TCS Questions

Placement Papers
TCS Questions