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Dnyanbhasha Marathi Pratishthan | ज्ञानभाषा मराठी प्रतिष्ठान

✍️गणिताशी गट्टी-२८✍️

✍️गणिताशी गट्टी-२८✍️
 
✍️ संत एकनाथ वसतिगृहात एकूण ४८ विद्यार्थी होते. परंतु नवीन आठ प्रवेश झाल्यामुळे दररोजचा खानावळीचा खर्च २४० रुपयांनी वाढला मात्र दरडोई सरासरी खर्च १० रुपयांनी कमी झाला. तर सुरुवातीस एका दिवसाचा खानावळीचा सरासरी खर्च किती होता?
➡️ सुरुवातीला दररोजचा दरडोई खर्च ₹x होता असे मानू.
म्हणून दररोजचा एकूण खर्च = ₹ ४८x
आठ नवीन विद्यार्थी आल्यामुळे दरडोई खर्च १० रुपयांनी कमी झाला.
➡️ म्हणून आता दररोजचा एकुण खर्च 
= ५६(x-१०)
= ५६x – ५६० रुपये.
➡️ दिलेल्या अटीवरून,
५६x – ५६० – ४८x = २४०
८x = २४० + ५६०
८x = ८००
x = ८००/८
x = १००
➡️ सुरुवातीस सरासरी खर्च
=४८x
= ४८ × १००
= ४८०० रुपये.
➡️ म्हणून सुरुवातीस एक दिवसाचा खानावळीचा सरासरी खर्च ४८०० रुपये होता.
 
© अजित तिजोरे – ८०९७६१७०२०

#ज्ञानभाषामराठीप्रतिष्ठान
#गणिताशी गट्टी

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