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The average of five numbers is 27. If one number is excluded, the average becomes 25. The excluded number is :
Option 1: 25
Option 2: 35
Option 3: 45
Option 4: 55
Option 5:
The average of 26,29,n,35 and 43 lies between 25 and 35. If n is always an integer and greater than the average of the given integers then the value of n is :
Option 1: 33
Option 2: 34
Option 3: 36
Option 4: 38
Option 5:
A cicketer bas a certain average for 10 innings, In the eleventh inning, he scorod 108 runs, thereby increasing his average by 6 runs. His new average is :
Option 1: 44 runs
Option 2: 46 runs
Option 3: 48 runs
Option 4: 49 runs
Option 5:
The average age of students of a class is 15.8 years. The average age of boys in the class is 16.4 years and that of the girls is 15.4 years, The ratio of the number of boys to the number of girls in the class is :
Option 1: 1 : 2
Option 2: 2 : 3
Option 3: 3 : 4
Option 4: 4 : 5
Option 5:
The average of the two-digit numbers, which remain the same when the dibits inter-change their positions, is :
Option 1: 53
Option 2: 54
Option 3: 55
Option 4: 56
Option 5:
The average expenditure of the hotel when there are 10 guests is Rs. 60 per guests and the average expenditure is Rs.40 when there are 20 Guests. If it is known that there are some fixed expenses irrespective of the number of guests then the average expenditure per guest whe there are 40 guests in the hotel.
Option 1: Rs. 30
Option 2: Rs. 25
Option 3: Rs. 20
Option 4: cant be determined
Option 5:
8 years ago there were 5 members in the Arthurs family and then the average age of the family was 36 years. Mean while Arthur got married and gave birth to a child. Still the average age of his family is same now. What is the age of his wife at the time of his childs birth was.If the difference between the age of her child and herself was 26 years.
Option 1: 25 Years
Option 2: 26 Years
Option 3: 27 Years
Option 4: 28 Years
Option 5:
Out of the five integral numbers C is the average of A and D. B is greater than C and less than D.Also B is the average of A and E . The middle most number in the sequence
Option 1: A
Option 2: B
Option 3: C
Option 4: D
Option 5:
In a village the average age of n people is 42 years. But after the verification it was found that the age of a person had been considered 20 years less than the actual age, so the new average, after the correction,increased by 1. The value of n is :
Option 1: 20
Option 2: 21
Option 3: 22
Option 4: 23
Option 5:
The average of any 5 consecutive odd natural numbers is k . If two more such numbers , just next to the previous 5 numbers are added , the new average becomes
Option 1: 2(k+1)
Option 2: 2k-3
Option 3: 2k+1
Option 4: k+2
Option 5:
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