Related Questions

The average of 10 numbers is 40.2. Later it is found that two numbers have been wrongly added. The first one is 18 greater than the actual number and the second number added is 13 instead of 33. Find the correct average-
A 40.2
B 40.4
C 40.6
D 40.8
৫ঃ১৮ঃ,৭ঃ২ এবং ৩ঃ৬ এর মিশ্র অনুপাত কত?
A ৭২ঃ ১০৫
B ৭২ঃ ৩৫
C ৩৫ঃ ৭২
D ১০৫ঃ৭২
৫ঃ১৮, ৭ঃ২ এবং ৩ঃ৬-এর মিশ্র অনুপাত কত ?
A ৭২ঃ১০৫
B ৭২ঃ৩৫
C ৩৫ঃ৭২
D ১০৫ঃ২১৬
In a set of three numbers, the average of first two numbers is 2. The average of the last two numbers is 3, and the average of the first and the last numbers is 4. What is the average of three numbers ?
A 3
B 6
C 9
D 24
In a set of 3 numbers, the average of first two numbers is 2, the average of the last two numbers is 3, and the average of the first and the last numbers is 4. What is the average of three numbers?
A 3
B 2
C 2.5
D 3.5
A student's marks were wrongly entered as 83 instead of 63. Due to the error the average marks for the class got increased by 0.5. Find the number of students in the class.
A 10
B 20
C 40
D 73
The average of eight numbers in 14. The average of six of these numbers 16. The average of the remaining two numbers is 16. The average of the remaining two numbers is-
A 4
B 8
C 16
D Data inadequate
The average of 6 numbers is 25. If 3 more numbers, with an average of 22 are added to these numbers, what will be the average of the combined 9 numbers?
A 20
B 22
C 24
D 25
The average of 5 numbers is 25. If 2 more numbers, with an average of 18, are added to these numbers, what will be the average of the combined 7 numbers?
A 20
B 22
C 23
D 25
The average of 6 numbers is 25. If 3 more numbers , with an average of 22 are added to these numbers, what will be the average of the combined 9 numbers?
A 20
B 24
C 26
D 32

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