The average salary of all the workers in a workshop is Rs. 8000. The average salary of 7 technicians is Rs. 12000 and the average salary of the rest is Rs. 6000. The total number of workers in the workshop is :
Answer: B) 21
Lot the total number of workers be v Then,
8OOOv = (12000 * 7) + 6000 (v - 7) <=> 2000v = 42000 <=> v = 21.
On 24th May 2008 the maximum temperature of Delhi, Kolkata and Mumbai were recorded as 35 deg C, 33 deg C and 34 deg C respectively. What was the maximum temperature of Chennai so that the average maximum temperature of those cities would be 35 deg?
Average of 8 numbers is 40. The average of first three numbers is 46 and the average of next two numbers is 50. If the sixth number is 6 and 10 less than seventh and eighth number respectively, then what is the value of eighth number?