(d) 120. Explanation: x/5-x/6=4 ⇔ (6 x-5 x)/30=4 ⇔ x=120.

Find x if x/5-x/6=4. · ABC26GN0971

Subject: General Aptitude · Chapter: Simplification

Find $x$ if $\frac{x}{5}-\frac{x}{6}=4$.

(a)- 120

(b)- 100

(c)100

(d)120

Answer

Answer (as printed): D

Explanation

$$\frac{x}{5}-\frac{x}{6}=4 \Leftrightarrow \frac{6 x-5 x}{30}=4 \Leftrightarrow x=120 .$$

Explanation as extracted from the printed page; notation may be imperfect.

Study loop for Simplification