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Q461

The total number of students in section A and B of a class is 110. The number of students in section A is 10 more than that of section B. The average score of the students in B, in a test, is 20% more than that of students in A. If the average score of all the students in the class is 72, then what is the average score of the students in A?

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Q462

The average of thirteen numbers is 80. The average of the first five numbers is 74.5 and that of the next five numbers is 82.5. The 11^th number is 6 more than the 12^th number is 6 less than the 13^th number. What is the average of the 11^th and the 13^th numbers?

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Q463

Average of all even numbers between 222 and 250 is . . . . . . . .

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Q464

Average of first five odd multiples of 3 is

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Q465

The average of 33 numbers is 74. The average of the first 17 numbers is 72.8 and that of the last 17 numbers is 77.2. If the 17^th number is excluded, then what will be the average of the remaining numbers (correct to one decimal place)?

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Q466

The arithmetic mean (average) of the first 10 whole number is

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Q467

Find the weighted arithmetic mean of the first 'n' natural numbers, the weights being the corresponding numbers.

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Q468

The average of three numbers a, b and c is 2 more than c. The average of a and b is 48. If d is 10 less than c, then the average of c and d is:

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Q469

What is the difference between the average of first 148 even positive numbers and the average of first 129 odd positive numbers?

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Q470

The average of all odd numbers from 113 to 159 is . . . . . . . .

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Q471

The weight of a person was entered incorrectly as 83 kg instead of 63 kg. As a result, the average weight of a group of people increased by 500 gm. What is the total number of people in the group?

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Q472

The average of 18 numbers is 37.5. If six numbers of average x are added to them, then the average of all the numbers increases by one. The value of x is:

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Q473

The average of 44 consecutive odd numbers is 144. What is the largest number?

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Q474

Average of all even numbers between 104 and 148 is.

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Q475

In a one day match of 50 overs in an innings the team A had a run rate of 5.3 runs per over. Team B is playing and 5 overs are left and the required run rate to tie the match is 7.2 per over to match the score of team A. What is team B's score?

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Q476

The average of x numbers is y² and the average of y numbers is x². So the average of all the numbers taken together is:

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