Aptitude - Numbers - Discussion
Discussion Forum : Numbers - General Questions (Q.No. 125)
125.
The unit digit in the product (784 x 618 x 917 x 463) is:
Answer: Option
Explanation:
Unit digit in the given product = Unit digit in (4 x 8 x 7 x 3) = (672) = 2
Discussion:
14 comments Page 2 of 2.
Jijo said:
2 decades ago
unit digit means last digit.
for finding the unit digit,we need only last digit of each numbers.
So 784*618*917*463 = 4*8*7*3 (for finding unit place digit)
For simply, multiply one by one
4*8=32(unit digit is 2)
2*7=14(unit digit is 4)
4*3=12(unit digit is 2)
2 is the answer
for finding the unit digit,we need only last digit of each numbers.
So 784*618*917*463 = 4*8*7*3 (for finding unit place digit)
For simply, multiply one by one
4*8=32(unit digit is 2)
2*7=14(unit digit is 4)
4*3=12(unit digit is 2)
2 is the answer
Ramachandran said:
2 decades ago
not understand this problem
Dinesh said:
2 decades ago
hi khan this is dini,
unit digit means single number in product we have to take last digit in all product items and v have mutiply it v will get answer in tat last number is unit digit..eg:(4*8*7*3)=(672)=2 were 2 is the unit digit of 672 can u understand now..
unit digit means single number in product we have to take last digit in all product items and v have mutiply it v will get answer in tat last number is unit digit..eg:(4*8*7*3)=(672)=2 were 2 is the unit digit of 672 can u understand now..
KHAN said:
2 decades ago
NOT UNDERSTAND
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