Question

| किसी संख्या का 55% तथा उसी का 35% का अंतर 400 है उस संख्या का 75% कितना होगा​

Answer 1

माना, संख्या x है।

तब, प्रश्न के अनुसार

$x \times \frac{55}{100} - x \times \frac{35}{100} = 400 \\ \\ = > \frac{55x - 35x}{100} = 400 \\ \\ = > 20x = 40000 \\ \\ = > x = 2000$

अब,

$4000 \times \frac{75}{100} = 3000$

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Answer 2

Step-by-step explanation:

Let the no. be x

Now,

55% of x-35% of x = 400

55/100x-35/100x=400

20/100x=400

x=400×100/20

x=200

hence the no. is 200

Now,

=75%of 200

=75/100×200

=150

Hence, the 75% of the no. is 150