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तमिलनाडु बोर्ड ऑफ सेकेंडरी एज्युकेशनएसएसएलसी (अंग्रेजी माध्यम) कक्षा ७

A metal bar weighs 8.5 kg. 85% of the bar is silver. How many kilograms of silver are in the bar?

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प्रश्न

A metal bar weighs 8.5 kg. 85% of the bar is silver. How many kilograms of silver are in the bar?

योग
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उत्तर

Total weight of the metal = 8.5 kg

Percentage of silver in the metal = 85%

Weight of silver in the metal = 85% of total weight

= `85/100 xx 8.5` kg

= 7.225 kg

7.225 kg of silver are in the bar.

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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 19 | पृष्ठ ४५

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