A.Rs. 620
B.Rs.800
C.Rs. 700
D.Rs. 850
Show AnswerAnswer=Option B
ECAT Math
The average income of a group of 3 men V W and X is 54 rupees. An other man Y joins their group and the average now becomes 50 rupees. If another men Z Whose income is 5 more than Y replaces V and average of W X Y and Z becomes 49. What is the income of V______ ?
A.47
B.50
C.54
D.53
E.55
Show AnswerAnswer=Option A
Average cost of 100 eggs is 2 rupees. It is lowered to 1.5 on buying an additional 100 eggs. What is the difference of cost of additional 100 eggs and previously purchased 100 eggs______?
A.Rs. 40
B.Rs. 50
C.Rs. 150
D.Rs. 100
E.none
Show AnswerAnswer=Option C
In a survey the average age was found to be 40 years. After correction the age of 100 people is increased from 35 to 50 years each. The new average is 50 years. The total number of people surveyed are______?
A.50
B.120
C.150
D.200
E.none
Show AnswerAnswer=Option C
A team won 5 matches with the average margin of 32 runs. In next two matches they are defeated by an average of 10 runs. The average margin for all the matches will be ______?
A.20
B.22
C.25.7
D.27
E.none
Show AnswerAnswer=Option A
The average temperature for first 4 days i.e. Monday Thursday is 37.5C?. While for the last 4 days i.e. Thursday to Sunday is 30C?. If the temperature on Thursday is 30?C then the average for the whole week will be_______?
A.34.3
B.35
C.36
D.37.4
E.none
Show AnswerAnswer=Option A
The average earning of a firm for first 6 months is Rs. 2100 per month. While for the last two quarters is Rs. 6300 per puarter. The net average income per month will be______?
A.1750
B.3900
C.25200
D.2100
E.none
Show AnswerAnswer=Option D
The average temperature of a week is 33C?. Average of first three days is 30?C while of the last three is 35?C. What is the temperatureof the fourth day______?
A.33
B.35
C.36
D.40
E.none
Show AnswerAnswer=Option C