TCS Solved Placement Papers

Dear Reader,
Below are four problems on divisibility dealing with some exact division of big numbers.

Question 1

Let N = 80pq2pq (7digit number). If N is exactly divisible by 120 then the sum of the digits in N is equal to:

a)18 b)22 c)24 d)12

Answer : a)18

Solution :

Dear Reader,
Below are three problems on time and work dealing with working efficiency of 2 or 3 members.

Question 1

Dear Reader,
Below are three ratio problems with basic calculations to practice for TCS and other companies placement tests.

Question 1

In a team , the ratio of number of juniors and seniors is 7:8. If 52 juniors and 13 seniors are added, the ratio becomes 11:9.Find the number of juniors initially in the team.

a)91 b)99 c)77 d)71

Dear Reader,
Below are three problems based on the concepts related to area of square, rectangle and circle.

Question 1

There is a rectangular shaped park and a circular garden inside the park. If the length and breadth of the park are 18 m and 14 m respectively then what will be the maximum possible area of the circular garden?

Dear Reader, Below are given puzzle questions for your practice.

Question 1

Dear Reader,
Below are three problems based on the concept of mixtures in some ratio.

Question 1

Dear Reader,
Below are three algebraic problems on concepts of Intercepts (produced by lines, planes etc).

Points to remember :

Dear Reader, Below are given deadlock concept based questions which you may expect in interviews.

Question 1

Can you briefly explain a deadlock in the context of OS processes?

Answer :

A deadlock is a condition when two or more processes wait for each other to complete. This results in indefinite waiting without any useful work.

Dear Reader,
Below are three problems dealing with concepts related to intersection of shapes like rectangles, squares.

Question 1

In the adjoining diagram, the rectangles ABCD and EFGH each with 1 unit width and 3 unit long are arranged such that, they intersect in a square of diagonal(CE) of length 1 unit. The total area covered by the rectangle is:

Dear Reader,
Below are three problems involving division on power function, factorial and prime numbers.

Question 1

On dividing (18377)¹⁰ by 11 the remainder will be
a)1 b)10 c)9 d)2

Answer : a)1

Solution:

To Remember :