If a and b are positive integers, and x=2×3×7×a , and y=2×2×8×b – McqOptions

MCQOPTIONS

1.	If a and b are positive integers, and x=2×3×7×a , and y=2×2×8×b , and the values of both x and y lie between 120 and 130 (not including the two), then a–b=
A.	-2
B.	-1
C.	1
D.	2
Answer» E.

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