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CTS Logical Reasoning - Cryptography Interview Questions with Answers

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Pages: 11
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(#M40028902) CTS QUESTION Keep an EYE Keep an eye puzzle Keep an eye puzzle

Given the following functions (1) f(n a b c ) = ac if n=1 (2) f(n a b c) = f( n-1 a c b) + f( 1 a b c) + f( n-1 b a c ) if n > 1 Then what is the value f( 2 a b c ) = ?

Asked In CTS chandreyee chowdhury (11 years ago)
Unsolved Read Solution (7)
Is this Puzzle helpful?   (13)   (4) Submit Your Solution Cryptography

(#M40020282) CTS QUESTION Keep an EYE Keep an eye puzzle Keep an eye puzzle

One day the Finance minister decides that the country should have only 33 paisa and 56 paise.If there are two traders having enough change in the two denominations, what is the minimum amount for which they can transact?

Asked In CTS AISHWARYA (12 years ago)
Unsolved Read Solution (7)
Is this Puzzle helpful?   (7)   (7) Submit Your Solution Cryptography
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(#M40013931) CTS QUESTION Keep an EYE Keep an eye puzzle Keep an eye puzzle

ABCD
QCDB+
-------------
QDBAC
---------------

Asked In CTS Rajib Chakraborty (12 years ago)
Unsolved Read Solution (3)
Is this Puzzle helpful?   (1)   (14) Submit Your Solution Cryptography

(#M40007393) CTS QUESTION Numerical problem Keep an EYE Keep an eye puzzle Keep an eye puzzle

Person X joins a job at 20 yrs. First 3 years salary = 10,000 p.a. Afterwards every year increment of 2,000 per year for 10 years. Then salary becomes constant till retirement. At retirement average salary is 25,000. (throughout career). At what age he retires?

Solution
Let age of retirement = x
so according to the given condition 25000*(x-20)
=10000*3+12000+14000+16000+18000+20000+22000+24000+26000+28000+30000+30000(x-33)
= 30000+210000+30000x-990000
= 30000x-750000
or 25000x-500000=30000x-750000
or 5000x = 250000
or x = 50

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Asked In CTS (13 years ago)
Solved Read Solution (1)
Is this Puzzle helpful?   (7)   (5) Submit Your Solution Cryptography

(#M40007331) CTS QUESTION Number problem Keep an EYE Keep an eye puzzle Keep an eye puzzle

A cube of 12cm sides is painted red on each side. It is cut into cubes of 3cm side each. How many of

the smaller cubes do not have any side painted red?

a) 8 b) 12 c) 16 d) 0

Asked In CTS (13 years ago)
Unsolved Read Solution (4)
Is this Puzzle helpful?   (3)   (2) Submit Your Solution Cryptography

(#M40005678) CTS QUESTION Ring Keep an EYE Keep an eye puzzle Keep an eye puzzle

The puzzle is
there are three type of boxes: gold,silver,lead,
gold says, " ring is not in silver,
Silver says ,"ring is not here,
lead says," ring is here"
Question is where is the ring?
which one says true and false?

Solution
Many possibilities on the basis of question
1) If all say true then ring is in lead
2) If all say false then ring is in silver
3) If lead says false only then ring is in gold

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Asked In CTS Rakesh kumar (13 years ago)
Solved Read Solution (1)
Is this Puzzle helpful?   (13)   (0) Submit Your Solution Cryptography

(#M40001384) CTS QUESTION Keep an EYE Keep an eye puzzle Keep an eye puzzle

Find out the wrong number in the following series:
5, 15, 30, 80, 180, 540, 1080

Asked In CTS Anil (14 years ago)
Solved Abhishek Divakar Read Solution (14)
Is this Puzzle helpful?   (47)   (13) Submit Your Solution Cryptography
Keep an EYE (0)CTS Interview Experience (3)
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Pages: 11
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