alleryજૂની અને નવી કિંમતો 4 : 5 ના ગુણોત્તરમાં છે. ખર્ચ સમાન રાખવા માટે, જૂનાથી નવા વપરાશનો ગુણોત્તર કેટલો હોવો જોઈએ?
A4 : 5
B5 : 4
C25 : 16
D16 : 25
Answer & Solution
Correct answer: B. 5 : 4
અચળ ખર્ચ સાથે, વપરાશ કિંમતના વ્યસ્ત પ્રમાણમાં બદલાય છે, તેથી તે 5 : 4 થાય છે.
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