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Frequently Asked Interview Questions and Answers

(#M40031678) AMCAT QUESTION Keep an EYE

Ques. A man travels 3 kms to the west, turns left and goes 3 kms, turns right and goes 1 km, again turns right and

goes 3 kms. How far is he from the starting point?
Op 1: 7 kms
Op 2: 6 kms
Op 3: 5 kms
Op 4: 4 kms
Op 5:
Correct Op : 4

Asked In AMCAT Aashu (11 years ago)

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(#M40004590) IBM QUESTION Problem on trains Keep an EYE

Two trains of equal length when moving in opposite direction takes 5 sec. to cross each other completely and when moving in same direction takes 15 sec. Find the ratio of their speed.

Asked In IBM (14 years ago)

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(#M40080476) ELITMUS QUESTION number system Keep an EYE

1^4+2^4+3^4+............n^4 if n=90 then S90=???? what will be the last digit..of the series

Asked In Elitmus azad yadav (10 years ago)

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(#M40151784) QUESTION Select one entry for blank Keep an EYE

Most spacecraft are still at little risk of collision with space debris during their operational lifetimes, but given the numbers of new satellites launched each year, the orbital environment in the future is likely to be less ___________
A) crowded
B) invulnerable
C) protected
D) polluted
E) benign

Asked In Aashu (10 years ago)

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(#M40151782) GRE QUESTION Non empty subset Keep an EYE

Let K be a non empty subset of R^n, where n > 1. n where n ! 1. Which of the following statements must be true?
I. If K is compact, then every continuous real-valued function defined on K is bounded.
II. If every continuous real-valued function defined on K is bounded, then K is compact.
III. If K is compact, then K is connected.
(A) I only
(B) II only
(C) III only
(D) I and II only
(E) I, II, and III

Asked In GRE Aashu (10 years ago)

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(#M40151780) GRE QUESTION Pentagram Keep an EYE

The group of symmetries of the regular pentagram is isomorphic to the
(A) symmetric group S5
(B) alternating group A5
(C) cyclic group of order 5
(D) cyclic group of order 10
(E) dihedral group of order 10

Asked In GRE Aashu (10 years ago)

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(#M40151778) GRE QUESTION Matrices Keep an EYE

Suppose A and B are n*n invertible matrices, where n >1, and I is the n*n identity matrix. If A and B are similar matrices, which of the following statements must be true?
I. A - 2I and B – 2I are similar matrices.
II. A and B have the same trace.
III. A^-1 and B^-1 are similar matrices.
(A) I only
(B) II only
(C) III only
(D) I and III only
(E) I, II, and III

Asked In GRE Aashu (10 years ago)

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(#M40151777) GRE QUESTION Decimal representation Keep an EYE

For how many positive integers k does the ordinary decimal representation of the integer k! end in exactly 99 zeros?
(A) None
(B) One
(C) Four
(D) Five
(E) Twenty-four

Asked In GRE Aashu (10 years ago)

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(#M40151775) GRE QUESTION Subset of the real line Keep an EYE

If A is a subset of the real line R and A contains each rational number, which of the following must be true?
(A) If A is open, then A = R.
(B) If A is closed, then A = R.
(C) If A is uncountable, then A = R .
(D) If A is uncountable, then A is open.
(E) If A is countable, then A is closed.

Asked In GRE Aashu (10 years ago)

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(#M40151774) GRE QUESTION Matrix Keep an EYE

Let A be a real 2*2 matrix. Which of the following statements must be true?
I. All of the entries of A^2 are nonnegative.
II. The determinant of A^2 is nonnegative.
III. If A has two distinct eigenvalues, then A^2 has two distinct eigenvalues.
(A) I only
(B) II only
(C) III only
(D) II and III only
(E) I, II, and III

Asked In GRE Aashu (10 years ago)

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