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The unit digit in the product of 3 × 38 × 537 × 1256 is :
Answer & Solution
Correct Answer:
Option
D
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.
= 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.
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