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Dnyanbhasha Marathi Pratishthan | ज्ञानभाषा मराठी प्रतिष्ठान

✍️ गणिताशी गट्टी प्रश्न क्र. १५५ ✍️

✍️ गणिताशी गट्टी प्रश्न क्र. १५५ ✍️

१८० रुपयांस छत्री विकली तर चंपकला १०% तोटा होतो. १०% नफा मिळविण्यासाठी त्याने छत्री किती रुपयाला विकावी?

➡️ उत्तर :-

छत्रीची खरेदी किंमत x रुपये मानू.

१०% तोटा = x चे १०%
= x × १०/१००
= x/१० रुपये.

➡️ आपल्याला माहिती आहे की,

खरेदी किंमत – विक्री किंमत = तोटा
∴ x – १८० = x/१०
∴ x – x/१० = १८०
∴ ( १०x – x )/१० = १८०
∴ ९x/१० = १८०
∴ x = १८० × १०/९
∴ x = २० × १०
∴ x = ₹ २००

∴ छत्रीची खरेदी किंमत = ₹ २००

➡️ १०% नफा मिळवण्यासाठी छत्री y रुपयांना विकावी लागेल असे मानू.

१०% नफा = २०० चे १०%
= २०० × १०/१००
= २ × १०
= ₹ २०

➡️ आपल्याला माहिती आहे की,

विक्री किंमत – खरेदी किंमत = नफा
∴ y – २०० = २०
∴ y = २० + २००
∴ y = ₹ २२०

➡️ १०% नफा मिळवण्यासाठी चंपकला छत्री २२० रुपयांना विकावी लागेल.

© अजित तिजोरे – ८०९७६१७०२०

#ज्ञानभाषामराठीप्रतिष्ठान
#गणिताशीगट्टी

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