What will come in place of the question mark (?) in the following question?

$39.9 % o f 400 + x % o f 350 = 230$

Question

What will come in place of the question mark - in the following question-65- of 240-x- of 150-210-36None of these324645

Toppr Admin · Accepted Answer

65- of 240-x- of 150-210-x21D2-65100-xD7-240-x100-xD7-150-210-x21D2-3122-3x2-210-x21D2-312-3x-210-xD7-2-420-x21D2-3x-420-x2212-312-108-x21D2-x-1083-36

What will come in place of the question mark $(?)$ in the following question?
$65 %$ of $240 + x %$ of $150 = 210$ .
$36$
None of these
$32$
$46$
$45$

$65 %$ of $240 + x %$ of $150 = 210$
$\Rightarrow \frac{65}{100} \times 240 + \frac{x}{100} \times 150 = 210 \Rightarrow \frac{312}{2} + \frac{3 x}{2} = 210 \Rightarrow 312 + 3 x = 210 \times 2 = 420 \Rightarrow 3 x = 420 - 312 = 108 \Rightarrow x = \frac{108}{3} = 36$

What will come in place of the question mark (?) in the following question?65% of 240+x% of 150=210.36None of these324645

65% of 240+x% of 150=210⇒65100×240+x100×150=210⇒3122+3x2=210⇒312+3x=210×2=420⇒3x=420−312=108⇒x=1083=36

What will come in place of the question mark $(?)$ in the following question?
$65 %$ of $240 + x %$ of $150 = 210$ .
$36$
None of these
$32$
$46$
$45$

$65 %$ of $240 + x %$ of $150 = 210$
$\Rightarrow \frac{65}{100} \times 240 + \frac{x}{100} \times 150 = 210 \Rightarrow \frac{312}{2} + \frac{3 x}{2} = 210 \Rightarrow 312 + 3 x = 210 \times 2 = 420 \Rightarrow 3 x = 420 - 312 = 108 \Rightarrow x = \frac{108}{3} = 36$