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If x varies inversely as y and when x = 6, y = 8, then for x = 8 the value of y is 10. - Mathematics

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प्रश्न

If x varies inversely as y and when x = 6, y = 8, then for x = 8 the value of y is 10.

विकल्प

  • True

  • False

MCQ
सत्य या असत्य

उत्तर

This statement is False.

Explanation:

If x varies inversely as y, i.e. xy = k  ...(Constant)

If x = 6 and y = 8

∴ xy = 6 × 8 = 48

But if x = 8 and y = 10

∴ xy = 8 × 10 = 80

Here, 48 ≠ 80

Hence, the value of y is not 10.

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  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 10: Direct and Inverse Proportions - Exercise [पृष्ठ ३२१]

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एनसीईआरटी एक्झांप्लर Mathematics [English] Class 8
अध्याय 10 Direct and Inverse Proportions
Exercise | Q 56. | पृष्ठ ३२१

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