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30.1% "of" 259.99+59.9% "of" 510-103.57=...

`30.1% "of" 259.99+59.9% "of" 510-103.57=?`

A

450

B

320

C

210

D

280

Text Solution

Verified by Experts

The correct Answer is:
D
The difference between two nearest values is 70 (210 and 280) . So round off the number to the nearest integers. `29.8% of 260 ~~ 30% of 260, 60.01 % of 510 ~~60% of 510 and 103.57~~104`
Now the equation will become
30% of 260 + 60% of 510-104=?
`(30)/(100)xx260+(60)/(100)xx510-104=?`
`78+306-104=?`
`?=384-104=280`
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