number system

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For the same set of integral values of x and y, 3x+y and 5x+6y are divisible by: a)7 b)11 c)13 d)17
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charasmatic poo Says
For the same set of integral values of x and y, 3x+y and 5x+6y are divisible by: a)7 b)11 c)13 d)17


Post Number system related problems in this thread http://www.pagalguy.com/discussions/number-system-questions-discussions-25043728
JCU Singapore 2012 - 2013
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charasmatic poo Says
the last three digits of a number N are x25. For how many values of x can N be a square of an integer: a)5 b)2 c)3 d)4


Kindly post Number System related question in this thread http://www.pagalguy.com/discussions/number-system-questions-discussions-25043728
JCU Singapore 2012 - 2013
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Between 100 and 200 hw many nos r dere in which one digit is the avg of the other two??

11
12
10
8
9


can any1 pls suggest me shrtcuts??

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the last three digits of a number N are x25. For how many values of x can N be a square of an integer: a)5 b)2 c)3 d)4

Commenting on this post has been disabled by the moderator.

For the same set of integral values of x and y, 3x+y and 5x+6y are divisible by: a)7 b)11 c)13 d)17

Commenting on this post has been disabled by the moderator.