Aptitude · Q485

Number System

Competitive Exams · Aptitude · question 485

Q485

12345679 × 72 is equal to :

A.

88888888

B.

888888888

Answer

C.

898989898

D.

999999998

Answer: Option B

Solution

Answer: Option B

Solution:

= 12345679 × 72
= 12345679 × (70 + 2)
= (12345679 × 70) + (12345679 × 2)
= 864197530 + 24691358)
= 888888888

All Number System questions