Railways
Sample Paper
RRBs Assistant Loco Pilot and Technician CBT STAGE-I Sample Paper-35
question_answer
A merchant has 1000 kg of sugar, part of which he sells at 8% profit and the rest at 18% profit. He gains 14% on the whole. The quantity (in kg) sold at 18% profit is
A) 560
B) 600
C) 400
D) 640
Correct Answer:
B
Solution :
He sells x kg at 8% profit and \[(100-x)\,\,kg\]at 18%. Overall profit of 14% So, by allegation method, ratio of mixing = 2 : 3 So, he sells \[\frac{3}{5}\times 1000=600\,\,kg\]at 18%profit