Aptitude · Q147

Number System

Competitive Exams · Aptitude · question 147

Q147

72519 × 9999 = ?

A.

725117481

Answer

B.

674217481

C.

685126481

D.

696217481

E.

None of these

Answer: Option A

Solution

Answer: Option A

Solution:

72519 × 9999
= 72519 × (10000 - 1)
= 72519 × 10000 - 72519 × 1
= 725190000 - 72519
= 725117481

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