Wipro Solved Placement Papers

Dear Reader, Below are given stacks and queues based question to recollect the concepts you have learned.

Question 1

What is the basic difference between Stacks and Queues in data structures?

Answer :

Dear Reader,

Below are 4 questions based on concepts related to Software Design Life Cycle and basic computer architecture.

Question 1

Any OS plays a major role in a very prominent task called "Scheduling". This is basically an implementation of scheduling algorithms developed over years. Which of the following resources are affected by this implementation?

Dear Reader,
Below are three problems on Arithmetic Progression.

Note : In formulas we will be using a to refer to I term and d to refer to common difference.

Question 1

Dear Reader,
Below are three problems on work and time for your practice.

Question 1

A can do a piece of work in 100 days, B and C together can do the same work in 20 days. If B can do the work in same time as that of C and A together then how long C alone can do the same work?
a)100 days b)50days c)25days d)20 days

Answer : b)50 days

Dear reader,
Below are three problems which are dealing with the concept of straight lines, slope and points on the lines.

Question 1

Find the value of P when the line through the points (2,2) and (5,7) is perpendicular to the line 3x+Py-9=0.
a)3/5 b)5 c)5/3 d)3

Answer : b)5

Solution:

Dear Reader, Below are 3 missing number problems for your practice.

Question 1

Find the missing number in 25, 38, _, 64, -27, 90

a) -1 b) 51 c) 39 d) -32

Answer : a) -1

Solution :

Closely analyzing the given series, it follows a pattern as shown below :

Dear Reader,
Below are three problems dealing with product and addition of the irrational roots of some non-linear equations.

Question 1

What is the sum of the irrational roots of the equation (x-1)(x-3)(x-5)(x-7)=9 ?
a)10 b)8 c)6 d)4

Answer : b)8

Solution:

Given that
(x - 1) (x - 3) (x - 5) (x - 7) = 9

Below are 4 DBMS based interview questions for your practice.

Question 1

(In DBMS like Oracle) Which of the following allow null values ? A Unique Key or Primary Key ?

Answer :

Primary Key constraint does not allow null values to be inserted while it is legal in case of Unique key.

Question 2

Dear Reader,

You can always expect few interview questions from computer networks. Below are 4 questions for practice.

Question 1

Which device is more intelligent, a Switch or Hub, why?

Answer :

Dear Reader,

Below are three problems which require calculations involving ratios.

Question 1

A merchant had a diamond, cost of which varies as a square of its weight. The merchant broke the diamond into 3 pieces in the ratio (based on weights) 4:5:6. When the pieces were sold he incurred a loss of Rs.444000. What could be the original price of the diamond.