Simplification Test 2

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Question : 17 of 40

Marks: +1, -0

81 of

1/2(57+1/3)

= x of

2/ 7

8,120
8,127
8,126
8,128
8,100

Solution:

x×2/7=81×1/2(56+1/3)

x×2/7=81×1/2({171+1}/3)

x×2/7=81×1/2×172/3

x×2/7=27×86

x=27×86×7/2

x=8,127

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