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Standard VI

Mathematics

Continued or Mean Proportion

Which of the ...

Question

Which of the following sets of numbers has an average greater than 5?

8, 3, 9, 5, 2

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10, 3, 4, 2, 6

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6, 8, 4, 7, 1

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5, 4, 8, 3, 4

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Solution

The correct options are
A 8, 3, 9, 5, 2
C 6, 8, 4, 7, 1
Sum of 5 numbers having 5 as their average = $5 \times 5 = 25$
Average of 5 numbers will be greater than 5 when the sum of all the numbers is greater than 25.
Sets of numbers having a sum greater than 25 are,
8, 3, 9, 5, 2
6, 8, 4, 7, 1

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Similar questions

Which of the following sets are finite or infinite

(i) The set of months of a year

(ii) {1, 2, 3 ...}

(iii) {1, 2, 3 ... 99, 100}

(iv) The set of positive integers greater than 100

(v) The set of prime numbers less than 99

Q. The set of two digit numbers greater than 98 is a/an

Which of the following sets are finite or infinite?

(i) The set of months of a year

(ii) {1, 2, 3, ....................}

(iii) {1, 2, 3, .................... 99, 100}

(iv) The set of positive integers greater than 100.

(v) The set of prime numbers less than 99.

Q. Which of the following sets are finite or infinite
(i) The set of months of a year
(ii)

{1, 2, 3, . . . .}

(iii)

{1, 2, 3, . . . .99, 100}

(iv) The set of positive integers greater than

100

(v) The set of prime numbers less than

99

Q. Use the roster method to represent the following sets:
i) The counting numbers which are multiples of

5

and less than

50

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x

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x + 6

is greater than

10

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iii) The set of all integers

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Which of the following sets of numbers has an average greater than 5?

The correct options are A 8, 3, 9, 5, 2 C 6, 8, 4, 7, 1Sum of 5 numbers having 5 as their average = 5×5=25 Average of 5 numbers will be greater than 5 when the sum of all the numbers is greater than 25. Sets of numbers having a sum greater than 25 are, 8, 3, 9, 5, 2 6, 8, 4, 7, 1

The correct options are
A 8, 3, 9, 5, 2
C 6, 8, 4, 7, 1
Sum of 5 numbers having 5 as their average = $5 \times 5 = 25$
Average of 5 numbers will be greater than 5 when the sum of all the numbers is greater than 25.
Sets of numbers having a sum greater than 25 are,
8, 3, 9, 5, 2
6, 8, 4, 7, 1