JEE Main & Advanced
JEE Main Paper (Held On 10 April 2015)
question_answer
A factory is operating in two shirts, day and night, with 70 and 30 workers respectively. If per day mean wage of the day shift workers is Rs. 54 and per day mean wage of all the workers is Rs. 60, then per day mean wage of the night shift workers (in Rs.) is:
JEE Main Online Paper (Held On 10 April 2015)
A) 74
B) 66
C) 75
D) 69
Correct Answer:
A
Solution :
Let average wage of Night shift worker is x \[70\times 54+30\times x=60\times 100\]\[x=74\]