Practice Test Discussion

$5986 \div 364 \times \sqrt{220} = ?$

[RGB (PO), 2010]

250

245

230

235

255

Explanation

Given

$5986 \div 364 \times \sqrt{220} = ?$

It can be approximated as

$6000 \div 400 \times \sqrt{225} = ?$

= 15×15

= 225 ≈ 230

Hence, Option C is correct.

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