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Posted By: giridhar narayan Member Level: Diamond Posted Date: 16 Dec 2007 Category: Mathematics

If 2x + y = 10 and x = 3, what is x – y

Select Answer:

1
2
-1
-2

Your Test Score: 0 / 0

Next Question: If a triangle has a base B and the altitude of the triangle is twice the base, then the area of the triangle is

Previous Question: There is a unique number of ten ciphers, for which the following holds: all ciphers from 0 up to 9 occur exactly once in the number; the first cipher is divisible by 1; the number formed by the first two ciphers is divisible by 2; the number formed by the first three ciphers is divisible by 3; the number formed by the first four ciphers is divisible by 4; the number formed by the first five ciphers is divisible by 5; the number formed by the first six ciphers is divisible by 6; the number formed by the first seven ciphers is divisible by 7; the number formed by the first eight ciphers is divisible by 8; the number formed by the first nine ciphers is divisible by 9; the number formed by the ten ciphers is divisible by 10. Which number is this?

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