Download Aptitude Crack
img not found img not found

Numbers - General Aptitude

Q1:

What is the unit digit in the product (365 x 659 x 771)?

A 1

B 2

C 4

D 6

ANS:C - 4

Unit digit in 34 = 1  Unit digit in (34)16 = 1  Unit digit in 365 = Unit digit in [ (34)16 x 3 ] = (1 x 3) = 3 Unit digit in 659 = 6 Unit digit in 74  Unit digit in (74)17 is 1. Unit digit in 771 = Unit digit in [(74)17 x 73] = (1 x 3) = 3  Required digit = Unit digit in (3 x 6 x 3) = 4.