72519 × 9999= ? · ABC26GN0172

Subject: General Aptitude · Chapter: Number System

$72519 \times 9999=$ ?
(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.

Study loop for Number System

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