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If (C(t)=200-8t) and (D(t)=70+4t), at what (t) will (C(t)) be (10) less than (D(t))?यदि (C(t)=200-8t) और (D(t)=70+4t), तो किस (t) पर (C(t)) (D(t)) से (10) कम होगा?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (t=12)(t=12)
The condition is (200-8t=70+4t-10). It gives (140=12t), so (t=\frac{35}{3}), hence no option is correct.शर्त (200-8t=70+4t-10) है। इससे (140=12t) नहीं बल्कि (t=\frac{35}{3}) आता है इसलिए कोई विकल्प सही नहीं है।
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