1.

If a and b are positive integers, and x = 2 cdot 3 cdot 7 cdot a and y = 2 cdot 2 cdot 8 cdot b, and the values of both x and y lie between 120 and 130 (not including the two), then a - b =

Answer»

`-2`
`-1`
`0`
`1`

ANSWER :B


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