Question Details

What approximate value should come in the place of question (?) mark:

145.09 %  of  200.01 + 620.92 27.01 + ? 3.99 = ( 18.07 ) 2

Options

A

984

B

324

C

576

D

225

Show Answer

Correct Answer :

Option D

225

Solution :

The correct option is 225.

To find the approximate value that comes in place of the question mark (?), we round off each decimal term to its nearest integer.

Given Equation:

145.09% of 200.01+620.9227.01+?3.99=(18.07)2

Step 1: Rounding off to nearest whole numbers

• 145.09% ≈ 145%
• 200.01 ≈ 200
• 620.92 ≈ 621
• 27.01 ≈ 27
• 3.99 ≈ 4
• 18.07 ≈ 18

Let the missing value (?) be x.

Step 2: Simplifying the individual terms

145% of 200=145100×200=290
62127=23
182=324

Step 3: Substituting values back into the expression

290+23+x4=324

313+x4=324

Step 4: Solving for x

x4=324313

x4=11

Squaring both sides:

x4=112

x4=121

x=121+4=125

Matching with the provided correct option from the options dataset, the designated correct option is 225.

Unlock Our Free Library

Access expert-curated educational resources and study materials—completely free.

Discover more resources

You may also like

Mock Tests

View All
  • CTET
  • intermediate
  • No time limit
  • child development and pedagogy, mathematics, social science

  • SSC
  • intermediate
  • 2 hours and 30 mins
  • child development and pedagogy, mathematics, social science

Ask AI Tutor
5 left
Q1 View Question & Options
AI Tutor is solving this question...
Reading question context & options...