• Placement Questions

Frequently Asked Interview Questions and Answers

(#M40010074) SELF QUESTION Keep an EYE

What is the smallest interval between two successive Primitive Abundant Numbers less than 10,000?

jyotish r (12 years ago)

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(#M40010063) OTHERS QUESTION Keep an EYE

SAM and john were thick friends in childhood. But as part of studies, SAM went to america and JOHN to london.

After several years sam went to london for his higher studies. He accidently came to meet his old friend. JOHN said he was now married and has three children. When SAM asked their ages, the john said that the product of their ages is 36. sam asked for another clue and the john asked if he could see the number on the house across the street. When sam said yes, john said that the sum of their ages equaled that number. sam said he still could not determine their ages. Then john said that his oldest child has red hair. Finally sam knew their ages. What were their ages and how did he know?

Asked In Others jyotish r (12 years ago)

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(#M40010036) SELF QUESTION Keep an EYE

A rectangular sheet of paper is folded so that two diagonally opposite corners come together. The crease thus formed is as long as the longer side of the rectangle. What is the ratio of the longer side of the rectangle to the shorter?

jyotish r (12 years ago)

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(#M40010035) SELF QUESTION Keep an EYE

Without computing their actual values, which is greater, e^(pi) or (pi)^e?explain

jyotish r (12 years ago)

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(#M40010034) SELF QUESTION Keep an EYE

Compare the numbers 0.99999... (infinitely many 9s) and 1. Which of the following statements is true? Why?

0.99999 ... < 1
0.99999 ... = 1
0.99999 ... > 1

jyotish r (12 years ago)

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(#M40010033) SELF QUESTION Keep an EYE

For which integers n>1 does the set of positive integers less than and relatively prime to n constitute an arithmetic progression?

jyotish r (12 years ago)

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(#M40010032) SELF QUESTION Keep an EYE

The sum of N real numbers (not necessarily unique) is 20. The sum of the 3 smallest of these numbers is 5. The sum of the 3 largest is 7. What is N?

jyotish r (12 years ago)

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(#M40010031) SELF QUESTION Keep an EYE

21!=510909x21y1709440000

Without calculating 21!, what are the digits marked x and y? explain.

jyotish r (12 years ago)

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(#M40010030) SELF QUESTION Keep an EYE

How many letters does the correct answer to this puzzle contain?

jyotish r (12 years ago)

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(#M40010029) SELF QUESTION Keep an EYE

Candidates Alice and Bob in an election receive 11 votes and 10 votes, respectively. If the votes are counted in random order, what is the probability that Alice never trails?

jyotish r (12 years ago)

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