Number System Ques 20
Question
The cost of 8 dozen of eggs is $ \text{₹} $ 256. Which calculation is needed to find the cost of 9 eggs ?
(1) $(9 \times 256) \times(8 \div 12)$
(2) $(12 \times 256) \div(8 \times 9)$
(3) $(8 \times 256) \div(9 \times 12)$
(4) $(9 \times 256) \times(8 \times 12)$
(5) $(9 \times 256) \div(8 \times 12)$
(IDBI Bank Officer Exam.16.09.2012)
Show Answer
Answer: (5)
Solution: (5)
$\because$ C.P. of $8 \times 12$ eggs $= \text{₹} 256$
$\therefore$ C.P. of one egg $=\frac{256}{8 \times 12}$
$\therefore$ C.P. of 9 eggs $=\frac{256 \times 9}{8 \times 12}$
BETA
