ABC26GN0172 · Number System

Subject: General Aptitude · Chapter: Number System · Exam: · Marks: · Difficulty:

$72519 \times 9999=$ ?

(a)725117481

(b)674217481

(c)685126481

(d)696217481

(e)None of these

Answer

Answer (as printed): A

Explanation

$$\begin{aligned} 72519 \times 9999 &=72519 \times(10000-1) \\ &=(72519 \times 10000)-(72519 \times 1) \\ &=725190000-72519=725117481. \end{aligned}$$

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

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