Question

FIND THE UNIT DIGIT VALUE IN 3478*6517*7657*2548

Answer 1

Answer:

Here the last digits are 8,7,7,8

Take first two digits 8 * 7 = 56

Take the last digit of above result and multiply with the third one 6 * 7 = 42

Take the last digit of above result and multiply with the last one 2 * 8 = 16

So the unit digit value of the product will be 6.