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Question

Q. The average of x,y and z is 25. x is as much more than the average as y is less than the average. Find the value of z.

Q. x,y और z का औसत 25 है। x का मान औसत से अधिक जबकि y का मान औसत से कम है। z का मान ज्ञात कीजिए।

A
25
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B
28
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C
32
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D
35
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Solution

The correct option is A 25
Let y be ‘a’ less than 25 so that x will be ‘a’ more than 25.
Thus, (25a)+(25+a)+z3=25
Solving, z=25

माना y का मान ‘a’ जो 25 से कम है, तो x का मान ‘a’ से 25 अधिक होगा।
इस प्रकार, (25a)+(25+a)+z3=25
इस प्रकार, z=25

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