\(\frac{1}{2}\) of 3842 + 15% of x = 2449 then the value of x is-

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Rajasthan 3rd Grade (Maths & Science) Official Paper (Held On: 25 Feb 2023 Shift 2)
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  1. 3340
  2. 3540
  3. 3520
  4. 3250

Answer (Detailed Solution Below)

Option 3 : 3520
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Detailed Solution

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Given:

1/2 of 3842 + 15% of x = 2449

Concept used: 

Follow the BODMAS rule according to the table given below:

boadmas

Calculation:

⇒ \(1\over2\) × 3842 + \(\dfrac{15}{100}\) × x = 2449

⇒  1921 + \(\dfrac{3x}{20}\) = 2449

⇒ 3x = (2449 - 1921)20

⇒ 3x = 528 × 20

⇒ 3x = 10560

⇒ x = 3520

∴ The value of x is 3520.

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