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Q:

What is the monthly salary of Praveen ?

I. Praveen gets 15% more than Sumit while Sumit gets 10% less than Lokesh.

II. Lokesh's monthly salary is Its 2500.

A) If the data in statement I alone are sufficient to answer the question	B) If the data in statement II alone are sufficient answer the question
C) If the data either in I or II alone are sufficient to answer the question;	D) If the data in both the statements together are needed.

Answer & Explanation Answer: D) If the data in both the statements together are needed.

Explanation:

From both the given statements, we find that : Praveen's salary s 115% of (90% of Rs 2500) = Rs 2587.50

So, both I and II are required.

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Filed Under: Data Sufficiency

Q:

Four subjects — Physics, Chemistry, Mathematics and Biology were taught in four consecutive periods of one hour each starting from 8.00 a.m. At what time was the Chemistry period scheduled ?

I. Mathematics period ended at 10.00 a.m. which was preceded by Biology.

II. Physics was scheduled in the last period.

III. Mathematics period was immediately followed by Chemistry.

A) Only I	B) Only I or Only II
C) Only II	D) I and II together or I and III together

Answer & Explanation Answer: D) I and II together or I and III together

Explanation:

From I and II. we conclude that Mathematics period began at 9.00 a.m., Biology period began at 8.00 a.m. and Physics period began at 11 a.m. So. the Chemistry period began at 10.00 a.m. From I and III, we conclude that Mathematics period ended and Chemistry period began at 10.00 a.m.

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Filed Under: Data Sufficiency

Q:

What could be the bucket size if collision and overlapping occur at same time?

A) 2	B) 0
C) 1	D) 4

Answer & Explanation Answer: C) 1

Explanation:

One. If there is only one entry possible in the bucket, when the collision occurs, there is no way to accommodate the colliding value. This results in the overlapping of values

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Filed Under: C++

Q:

In an AVL tree the balancing is to be done when the pivotal value is in range of

A) greater than 1 and less than -1	B) greater than -1 and less than 1
C) greater than 1	D) less than -1

Answer & Explanation Answer: A) greater than 1 and less than -1

Explanation:

Difference between the heights of left and Right subtrees in an AVL tree can never be greater than +1

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Filed Under: C++

Q:

Convert the expression ((A + B) * C – (D – E) ^ (F + G)) to equivalent Postfix notations.

A) AC + B * DE - FG +^-	B) AB + C * DE - FG + ^-
C) AC + B* DE - FG -+ ^	D) AB + C * DE - FG -+ ^

Answer & Explanation Answer: B) AB + C * DE - FG + ^-

Explanation:

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Filed Under: Java

Q:

Convert the expression ((A + B) * C – (D – E) ^ (F + G)) to equivalent Prefix Notation

Answer

Prefix Notation:

^ - * +ABC - DE + FG

Workspace

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Subject: Programming

Q:

What are the various elements of OOPS?

Answer

Various elements of OOP are:

• Object

• Class

• Method

• Encapsulation

• Information Hiding

• Inheritance

• Polymorphism

Workspace

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Subject: Java

Q:

Who is the author of "Unhappy India"?

A) Vikram Seth	B) Lala Lajpath Roy
C) Chethan Bhagath	D) None

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