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तमिलनाडु बोर्ड ऑफ सेकेंडरी एज्युकेशनएसएसएलसी (अंग्रेजी माध्यम) कक्षा ७

The value of a machine depreciates at 10% per year. If the present value is ₹ 1,62,000, what is the worth of the machine after two years? - Mathematics

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प्रश्न

The value of a machine depreciates at 10% per year. If the present value is ₹ 1,62,000, what is the worth of the machine after two years?

योग
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उत्तर

Present value of the machine = ₹ 1,67,000

Rate of depreciation = 10% per annum

Time (n) = 2 years

For 1 year depreciation amount = `(1,62,000 xx 1 xx 10)/100` = ₹ 16,200

Worth of the machine after one year = Worth of Machine – Depreciation

= 1,67,000 – 16,200

= 1,45,800

Depreciation of the machine for 2nd year

= `145800 xx 1 xx 10/100` = 14580

Worth of the machine after 2 years

= 1,45,800 – 14,580

= 1,31,220

∴ Worth of the machine after 2 years = ₹ 1,31,220

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  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 2: Percentage and Simple Interest - Exercise 2.5 [पृष्ठ ४५]

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सामाचीर कलवी Mathematics - Term 3 [English] Class 7 TN Board
अध्याय 2 Percentage and Simple Interest
Exercise 2.5 | Q 23 | पृष्ठ ४५
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