Banking
Sample Paper
RRB Officer (Main) Sample Test Paper-1
question_answer
A merchant has 30 kg of sugar, part of which he sells at 10% profit and the rest at 14% profit. Thus, he gains 13% on the whole. Find the quantity sold at 14% profit.
A) 29.2 kg
B) 19.5 kg
C) 23.4 kg
D) 24.2 kg
E) 22.5 kg
Correct Answer:
E
Solution :
By alligation method: Quantity sold at 14% profit\[=\frac{3}{4}\times 30\] \[=\,\,22.5\text{ }kg\]