GMAT Quantitative Reasoning Practice Test 1

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Question : 16 of 100

Marks: +1, -0

For every

X

, the action

[X]

is defined:

[X]

is the greatest integer less than or equal to

X

. What is the value of

[6.5] ×[2 / 3]+[2] × 7.2+[8.4]-6.6

?

12.6 .
14.4.
15.8 .
16.2
16.4 .

Solution:

[6.5] ×[2 / 3]+[2] × 7.2+[8.4]-6.6=6 × 0+2 × 7.2+8-6.6=15.8

.

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