• Placement Questions

Frequently Asked Interview Questions and Answers

(#M40165005) ORACLE QUESTION Set theory Keep an EYE

Out of 1000 students, 658 failed in Mathematics, 166 in Mathematics and science, 434 in mathematics and English, 372 in science, 590 in English and 126 in both science and English.
How many failed in mathematics but not in science and English?
a)206
b)164
c)464
d)628

Asked In Oracle ravi kumar (7 years ago)

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(#M40165000) ORACLE QUESTION Mixture Keep an EYE

A 20% salt solution of 100 liters is mixed with a quantity of 10% solution. the resulting solution was 12% salt. How much was 10% solution added?
a) 175 lit b) 200 lit c) 400 lit d) 500 lit

Asked In Oracle ravi kumar (7 years ago)

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(#M40165003) ORACLE QUESTION General Keep an EYE

A person takes 3 hours to walk to a place and then drive back. Had he driven both ways he would have saved one hour. What is the time which the would take if he walks both ways?
a) 4hrs b) 3 hrs c) 6 hrs d) 5hr

Asked In Oracle ravi kumar (7 years ago)

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(#M40164999) ORACLE QUESTION Probablity Keep an EYE

In a class, there are 10 boy children and 13 girl children. What is the probability of selecting two children, as a first girl and then a boy in succession without replacement?
a) 1/130 b) 13/10 c) 120/130 d) 130/506

Asked In Oracle ravi kumar (7 years ago)

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(#M40165004) ORACLE QUESTION Average speed Keep an EYE

In a race of 90km Alex finished the first 30km at an average speed of 108km/h and the second 30km at 50 m/s. At what time should he complete the last 30 km to finish the race at an average speed of 144km/h.
a)20m 50s b)22m 40s c) 15m 42s d) 25m

Asked In Oracle ravi kumar (7 years ago)

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(#M40164998) ORACLE QUESTION Data structure Keep an EYE

Which of the following operations cannot be implemented in O(1) for a unsorted singly linked list with head and tail pointers?
a) deletion of the last node
b) Insertion at the end
c) Deletion of the front node
d) Insertion at front

Asked In Oracle ravi kumar (7 years ago)

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(#M40165001) ORACLE QUESTION Probablity Keep an EYE

Three dice are thrown together. The probability the three dice show the same number is .............
a) 5/36 b) 35/36 c) 1/6 d) 1/36

Asked In Oracle ravi kumar (7 years ago)

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(#M40165002) ORACLE QUESTION Percentage Keep an EYE

The length, breadth, and height of a cube are incresed by 10%, 10%, and 20% respectively. The change in the volume of the resultant cuboid is(nearly)_________
a) 40% b) 55% c) 45% d) 50%

Asked In Oracle ravi kumar (7 years ago)

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