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What will come in place of the question mark (?) in the given question?
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What will come in place of the question mark (?) in the given question?
120 % of 750 ? 25 - 16 = ? % of 1240 ? 31
1). 25
2). 30
3). 20
4). 45
2 answers
2 vote
Solution
Expression : 120 % of 750 ÷ 25 - 16 = ? % of 1240 ÷ 31
=> $(\frac{120}{100} \times \frac{750}{25}) - 16 = \frac{x}{100} \times \frac{1240}{31}$
=> $\frac{6}{5} \times 30 - 16 = \frac{2x}{5}$
=> $36 - 16 = \frac{2x}{5}$
=> $2x = 20 \times 5 = 100$
=> $x = \frac{100}{2} = 50$
0 vote
Solution
Expression : 120 % of 750 ÷ 25 - 16 = ? % of 1240 ÷ 31
=> $(\frac{120}{100} \times \frac{750}{25}) - 16 = \frac{x}{100} \times \frac{1240}{31}$
=> $\frac{6}{5} \times 30 - 16 = \frac{2x}{5}$
=> $36 - 16 = \frac{2x}{5}$
=> $2x = 20 \times 5 = 100$
=> $x = \frac{100}{2} = 50$