Miscellaneous Company Exam Exam Numerical Ability

What is the unit digit in {(6374)1793 x (625)317 x (341491)}?

A. 0
B. 2
C. 3
D. 5

Read Solution (Total 2)

unit digit will be 0

Unit digit can be find out by multiplying unit digit of all the given
numbers.

i.e. 4*3*5*7*1 = 0
10 years agoHelpfull: Yes(0) No(0)

Redundancy of 4 is 2, so for any odd power of 4, the last digit that remains is 4...and for any power of 5 the last digit of 5 is 5 itself, so 4x5x1=........last digit is 0....so, the answer is 0.
7 years agoHelpfull: Yes(0) No(0)

Miscellaneous Company Exam Other Question

{(6374)1793 x (625)317 x (341 491)}?

HOW TO SOLVE THIS ???
A school bus travels from kormangala to Electronic City. There are four children in the bus. Each child has four backpacks with him. There are four dogs sitting in each backpack. Every dog has four puppies with her. All these dogs have four legs, with four toes at each leg.