SSC CGL Tier-II practice question
The true discount on a certain sum due 3 years hence at 10% per annum is Rs. 150. Find the sum (the amount due).
From a SSC CGL Tier-II Quantitative Aptitude practice set · Quantitative Aptitude
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Correct answer: (A) Rs. 650
T.D. = A×R×T/(100+R×T) ⇒ A = T.D.×(100+R×T)/(R×T) = 150×(100+30)/30 = 19500/30 = Rs. 650.
हिंदी में प्रश्न
किसी राशि पर, जो 3 वर्ष बाद देय है, 10% वार्षिक दर पर सत्य बट्टा (T.D.) Rs. 150 है। देय राशि (Amount) ज्ञात कीजिए।
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सही उत्तर: (A) रु. 650
T.D. = A×R×T/(100+R×T) ⇒ A = T.D.×(100+R×T)/(R×T) = 150×(100+30)/30 = 19500/30 = Rs. 650।
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