The average of two numbers is π/2, and one of the numbers is x. What i

Question

The average of two numbers is  \frac{\pi}{2} , and one of the numbers is x. What is the other number in terms of x?

(A)  \frac{\pi}{2}-x

(B)  \frac{\pi}{2}_x

(C)  \pi -x

(D)  \pi +x

(E)  2\pi +x

Source:   Nova GMAT  
Difficulty Level:   500

Skywalker18 · Answer

Sum of the two numbers = \pi 
Other number =  \pi -x

Answer C

imeanup · Answer

Let the other number be  y .

\frac{x+y}{2}=\frac{π}{2}

y = π-x

Ans C

CrackverbalGMAT · Answer

SOLUTION: Average = Sum of Observations/Number of Observations Let the numbers be x and y Given (x+ y)/2 = π/2 => (π - x) (OPTION C) Hope this helps

Miss Devmitra Sen(Math)

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