HCL Solved Placement Papers
Below are four problems based on fractions.
Which pair of the following fractions lie between 3/8 and 5/8 ?
a)1383/4000 & 1581/4000
b)1691/4000 & 3713/4000
c)2159/4000 & 2401/4000
d)1971/4000 & 3012/4000
Answer : c)2159/4000 & 2401/4000
Below are three problems dealing with the concept of points of games and races.
Points to remember :
1) In a 100 race, 'A can give B 12 m' or 'A can give B a start of 12 m' or 'A beats B by 12 m' means that while A runs 100 m, B runs (100 - 12) = 88 m.
Very often you can expect basic C programs using recursive algorithms in interviews of leading companies like HCL. Below are few for your practice.
In C programs, if a function calls itself within its definition, what can you say about that function?
Such functions are called Recursive functions.
Dear Readers, Below are few problems based on arithmetic and geometric means.
A group of students were proceeding on an education excursion. One of the students told:
The arithmetic mean of 2 numbers is 32.5 and their geometric mean is 30. One of the numbers will be
a) 20 b) 42 c) 12 d) none of these.
Answer : a) 20
Dear Reader, below are relatively easy problems on profit and loss. Hope they help you to stay prepared.
A man buys certain number of steel rods priced at Rs. 7 per rod for Rs. 120. He then sells them at a loss of 25%. What will be his loss amount for every 100 steel rods.
a)Rs. 180 b)Rs.175 c)Rs.170 d)Rs.160