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HEXAWARE Placement Papers with Solution : Solved Question

(#M40007969) HEXAWARE QUESTION aptitude Keep an EYE

The greatest area of the following
(a) The radius of circle is 4
(b) The square of diagonal is 4
(c) The square of side is 4

Asked In Hexaware (13 years ago)

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(#M40007964) HEXAWARE QUESTION aptitude Keep an EYE

find next in series 31,29,31,30,31,?

Asked In Hexaware (13 years ago)

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(#M40007963) HEXAWARE QUESTION aptitude Keep an EYE

area of square = sum of areas of rect1(41*27) and rect2(41*14). find square side

Asked In Hexaware (13 years ago)

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(#M40007962) HEXAWARE QUESTION aptitude Keep an EYE

A man walked 30m west 5m south 10m west 35m north to reach tollgate find the dist from
start to gate

Asked In Hexaware (13 years ago)

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(#M40007732) HEXAWARE QUESTION logical Keep an EYE

2 persons can finish a job in 8 days. First person alone can finish the work in 24 days. How many days does the second person take to finish the job?

Asked In Hexaware vinit (13 years ago)

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(#M40007065) HEXAWARE QUESTION puzzle Keep an EYE

A batsman scored 18 runs in his 18th innings and that makes his average 18. Find his average upto the
17th innings?

Asked In Hexaware mithunprasad (13 years ago)

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(#M40006800) HEXAWARE QUESTION puzzle Keep an EYE

The ratio of the length : breadth : height of a cuboid is 5 : 4: 3, and the volume is 7500. What will be its surface area ?

Asked In Hexaware mithunprasad (13 years ago)

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(#M40006796) HEXAWARE QUESTION puzzle Keep an EYE

If Ax + By = 1F16; Cx + Dy = 2510 .Find the value of x and y

Solution

This question is not based on decimal system yet based on hexadecimal system.
In the system associated with this question A = 10, B = 11, C = 12, D = 13, E = 14, F = 15
it means system has the numbers 0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F as 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15 in decimal system
so 1F16 = 1*(16^3)+15*(16^2)+1*(16^1)+6*(16^0)= 4096+3840+16+6 = 7958 and
2510 in this system = 2*(16^3)+5*(16^2)+1*(16^1)+0*(16^0) = 8192+1280+16 = 9488
solution:
Changing this question to Decimal,
10x + 11y = 7958 --> 1
12x + 13y = 9488 --> 2

eq1*12 => 120x + 132y = 95496 --> 3
eq2*10 => 120x +130y = 94880 --> 4

eq3 - eq4 => 2y = 616 => y = 308

Substituting in eq1 => 10x + 3388 = 7958 => 10x = 4570 => x = 457

Hence x = 457, y = 308 (in Decimal)

now we have to convert these numbers to hexadecimals
457 = 16*28+9
28 = 16*1+12
1 = 16*0+1 so number will be 1C9 (reverse order of reminders) similarly for other numbers
So in Hexadecimal system x = 1C9, y = 134.
This answer is given by VADIVELAN M and is correct answer

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Asked In Hexaware mithunprasad (13 years ago)

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(#M40001363) HEXAWARE QUESTION probability Keep an EYE

the probability of a student possessing a ball point pen in exam is 3/5 & possessing an ink pen is 2/3. find his probability of possessing at least one of them

Asked In Hexaware MANOJ (14 years ago)

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(#M40001361) HEXAWARE QUESTION series Keep an EYE

11. In the series 0, 3, 8, 15,__ What is the next number?

Asked In Hexaware MANOJ (14 years ago)

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