Bissoy.com
Doctors Medicines MCQs Q&A

The average of nine numbers is 50. The average of the first five numbers is 54 and that of the last three numbers is 52. Then the sixth number is:

The average of nine numbers is 50. The average of the first five numbers is 54 and that of the last three numbers is 52. Then the sixth number is: Correct Answer 24

Related Questions

The average of fifteen numbers is 60. The average of the first seven numbers is 63 and the average of next five numbers is 59. The last number is half of the 13th number and the 14th number is four more than the last number. Which of the following is/are correct? I. Average of the last three numbers is an integer II. Fourteenth number is divisible by 11 III. Average of 13th and 15th number is not 65
Average of 13 numbers is 78. Average of the first five numbers is 88 and the average of the last five number is 37.5% less than the average of the first five numbers. 6th and 7th number are in the ratio 9 ∶ 11, while 7th and 8th number are in the ratio 10 ∶ 9. What is the largest number among three numbers?
The average of first three numbers of a set of six numbers is 60. The average of the second, third and fourth numbers is 20 and the average of the third, fourth and fifth numbers is 30. The average of last three numbers is 40. What is the average of first, fifth and sixth number of the set?
There are twelve numbers. The average of the first four numbers is 40.5 and the average of the last five numbers is 42.8. The sixth number is 0.2 less than the fifth number and 0.6 greater than the seventh number. If the average of the remaining twelve numbers is 43.2, then what is the average of the fifth and seventh numbers?
The average of 8 numbers is 47, and the average of the first three numbers is 39, and the average of the next two numbers is 48, the seventh number is 2 more than the sixth number and 3 less than the eighth number. What is the average of the sixth and the seventh number?
The average of fourteen numbers is 46. The average of first five is 43 and that of last six numbers is 49.5. The sixth and seventh numbers are respectively 4 and 8 greater than the eighth number. What is the average of sixth and seventh numbers?
A list contains nine numbers. The ratio of average of first five numbers, average of last five numbers and the average of all the numbers is 16 ∶ 14 ∶ 15. Upon adding 6 as the 10th number, there is no increase in average. What is the fifth number?
The average of nine numbers is 50. The average of the first five numbers is 54 and that of the last three numbers is 52. Then the sixth number is __
The average of nine number is 50. The average of first five numbers is 54 and that of the last three numbers is 52. Then the sixth number is :
A set of five numbers is given. Average of first and last number is middle number and second number is 16 more than the first number. Sum of first three numbers is 308. Middle number is ‘a’ and average of five numbers is ‘y’. Fourth number is 138. What can be the values come in place of ‘a’ and ‘y’? a) 45, 30 b) 40, 65 c) 40, 80 d) 60, 48 e) 60, 60