Problema GMAT Quant 25/06/14 (PS) (>700)

[Recobita]

Quant (Problem Solving) (>700)

If n denotes a number to the left of 0 on the number line such that the square of n is less than 1/100 , then the reciprocal of n must be

(A) less than -10
(B) between -1 and -1/10
(C) between -1/10 and 0
(D) between 0 and 1/10
(E) greater than 10

[Recobita]

Quant (Problem Solving) (>700)

If n denotes a number to the left of 0 on the number line such that the square of n is less than 1/100 , then the reciprocal of n must be

(A) less than -10
(B) between -1 and -1/10
(C) between -1/10 and 0
(D) between 0 and 1/10
(E) greater than 10

Solución propuesta:

respuesta: show

Si n es menor que 0 y n^2<1/100 --> 0>n>-1/10.
El recíproco de n es igual a 1/n.
Teniendo en cuenta lo anterior, 1/n<-10