हिंदी

If 90% of x is 315 km, then the value of x is ______. - Mathematics

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प्रश्न

If 90% of x is 315 km, then the value of x is ______.

विकल्प

  • 325 km

  • 350 km

  • 405 km

  • 340 km

MCQ
रिक्त स्थान भरें
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उत्तर

If 90% of x is 315 km, then the value of x is 350 km.

Explanation:

Given,

90% of x = 315 km

⇒ `90/100 xx x = 315`

⇒ 90x = 315 × 100

⇒ `x = (315 xx 100)/90`

⇒ x = 350 km

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अध्याय 7: Comparing Quantities - Exercise [पृष्ठ १९८]

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एनसीईआरटी एक्झांप्लर Mathematics [English] Class 7
अध्याय 7 Comparing Quantities
Exercise | Q 18. | पृष्ठ १९८

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