SSC GD AVERAGE-4 QUIZ

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Question 1:

Find the average of reciprocals of $\mathrm{x}, \mathrm{y}$ and $z:$

$x+y+z$

$\frac{x+y+z}{3}$

$\frac{x y+y z+x z}{3 x y z}$

$\frac{x y+y z+x z}{x y z}$

What is the average of the first 15 multiples of $3 ?$

The average of $104,102,109, \mathrm{~A}$ and 112 is 109. What is the value of $A$ ?

114

116

118

120

What is the average of first 11 multiple of 12 ?

The average of square of natural numbers from 1 to 92 is?

2116

2209

2859.5

2867.5