The unit digit in the product of 3 × 38 × 537 × 1256 is :
A. 4
B. 2
C. 6
D. 8
Answer: Option D
Solution (By Examveda Team)
Unit's digit in 3 x 38 x 537 x 1256= Unit's digit in 3 x 8 x 7 x 6
= 4 x 2
= 8
Note : Always multiply only unit digit of first number, to second and product's unit digits number with 3rd number. Again product of last's unit digit to fourth and so on.
This Question Belongs to Arithmetic Ability >> Number System
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