Question Details

Find the approximate value that should replace the question mark (?) in the following equation:

? 80.95 + 23.97 % of 325.09 + 55.96 ÷ 7.93 = 88.06

Options

A

196

B

324

C

243

D

162

E

122

Show Answer

Correct Answer :

Option C

243

Solution :

The correct option is 243.

Given Equation:

?80.95+23.97% of 325.09+55.96÷7.93=88.06

Step 1: Round off the numbers to their nearest integers to simplify calculation:
80.95 ≈ 81
23.97% ≈ 24%
325.09 ≈ 325
55.96 ≈ 56
7.93 ≈ 8
88.06 ≈ 88

Step 2: Substitute the approximate values into the equation:

?81+24% of 325+56÷8=88

Step 3: Solve individual operations using BODMAS/PEMDAS rules:
First, perform the division operation:
56 ÷ 8 = 7
Next, calculate the percentage term:
24% of 325 = (24 / 100) × 325 = 78

Step 4: Substitute these evaluated values back into the equation:

?81+78+7=88

?81+85=88

Subtract 85 from both sides of the equation:

?81=88-85

?81=3

Multiply both sides by 81 to solve for ?:

?=3×81=243

Thus, the approximate value that should replace the question mark is 243.

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