Question

How many distinct sets of three positive integers have mean 6 and median 7 and no
mode
(A) 1
(B) 2
(C) 3
(D) 4​

Answer 1

Hii

Answer:

c) 3

Step-by-step explanation:

It must be the numbers less than 7 and greater than 7 and 7 must be included. So there are three sets

Answer 2

Question:-

How many distinct sets of three positive integers have mean 6 and median 7 and no

mode

(A) 1

(B) 2

(C) 3

(D) 4

Answer:-

Mean=6

∴ Sum=6×3=18

Median=7

It must be the numbers less than 7 and greater than 7 and 7 must be included.

Examples:{1,7,10}

{2,7,9} and {3,7,8}

So there are three sets.

hence , option c is the right answer . that is 3.

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