किसी कमरे को रंगने का खर्च Rs. 120 हैं। यदि चौड़ाई 4 मीटर कम होती तो खर्च Rs. 20 कम होता है। कमरे की चौड़ाई ज्ञात करें?A. 24mB. 20mC. 25mD. 18.4m

किसी कमरे को रंगने का खर्च R

1.	किसी कमरे को रंगने का खर्च Rs. 120 हैं। यदि चौड़ाई 4 मीटर कम होती तो खर्च Rs. 20 कम होता है। कमरे की चौड़ाई ज्ञात करें?A. 24mB. 20mC. 25mD. 18.4m
Answer» Correct Answer - A माना रंगने का‌ खर्च `=Rs. x//"metre"^(2)` `= Rs. 120` ……….i Length `xx` (breadth `-4`) `xxx=Rs. 100`……….ii from equation i and ii `("breadth")/(breadth”-r)=120/100=6/5` ltbr breadth `=24m`

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किसी कमरे को रंगने का खर्च Rs. 120 हैं। यदि चौड़ाई 4 मीटर कम होती तो खर्च Rs. 20 कम होता है। कमरे की चौड़ाई ज्ञात करें?A. 24mB. 20mC. 25mD. 18.4m

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