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HEXAWARE Placement Papers with Solution Page 9

(#M40006802) HEXAWARE QUESTION puzzle Keep an EYE

Octal of 359

Asked In Hexaware (13 years ago)

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(#M40006801) HEXAWARE QUESTION puzzle Keep an EYE

3 persons started placementpapers with a capital of Rs.3000 . B invest Rs.600 less than A, C invest Rs.300 less
than B. Then what is the share amount of B in a profit of Rs.886 ?

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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(#M40006799) HEXAWARE QUESTION puzzle Keep an EYE

A persons salary iis decreased by steps of 20%, 15% and 10%. What will be the percentage decrease, if the
salary is decreased in a single shot?

Asked In Hexaware mithunprasad (13 years ago)

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(#M40006798) HEXAWARE QUESTION puzzle Keep an EYE

6 women can do 75 units of work in 8 days by working 5hrs/day. In how many days can 4 women do 30 units
of work by working 8hrs/day ?

Asked In Hexaware mithunprasad (13 years ago)

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(#M40006797) HEXAWARE QUESTION puzzle Keep an EYE

A cylinder is inserted in a sphere d/h = 2/3. Find the surface area of the cylinder ?

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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(#M40001366) HEXAWARE QUESTION percent Keep an EYE

if price of t.v set is reduced by 20%, then its sale increases by 80%, find net effect on sale value

Asked In Hexaware MANOJ (14 years ago)

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(#M40001364) HEXAWARE QUESTION numbers Keep an EYE

what no should be subtracted from 92555 to make it a perfect square ?

Asked In Hexaware MANOJ (14 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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