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60% "of" ((1)/(13)xx2920+(5)/(18)xx2075)...

`60% "of" ((1)/(13)xx2920+(5)/(18)xx2075)=?`

A

360

B

480

C

520

D

660

Text Solution

Verified by Experts

The correct Answer is:
B
`?=(60)/(100)xx((2920)/(13)+(10375)/(18))`
`~~(60)/(100)xx(225+575)~=(60xx800)/(100)=480`
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