If x * y=x+y+√(x y), the value of 6 * 24 is

ABC26GN1346 · Square Roots and Cube Roots

Subject: General Aptitude · Chapter: Square Roots and Cube Roots · Exam: · Marks: · Difficulty:

If $x * y=x+y+\sqrt{x y}$, the value of $6 * 24$ is

(a)41

(b)42

(c)43

(d)44

Answer

Answer (as printed): B

Explanation

$$\begin{aligned} 6 * 24=6+24+\sqrt{6 \times 24} & =30+\sqrt{144} \\ =30+12 & =42 \end{aligned}$$

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