1255-311-848-1618 will give the digit at units place

The correct option is D 012^55/3^11=3^44.4^55→ 4 as units place. Similarly, 8^48/16^18=2^72→ 6 as the units place. Hence, 0 is the answer. ...

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Quantitative Aptitude

Unit Digit of a Number

1255/311+848/...

Question

$\frac{12^{55}}{3^{11}} + \frac{8^{48}}{16^{18}}$ will give the digit at units place

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Solution

$\frac{12^{55}}{3^{11}} = 3^{44} {.4}^{55} \to 4$ as units place.
Similarly, $\frac{8^{48}}{16^{18}} = 2^{72} \to 6$ as the units place.
Hence, 0 is the answer.

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Similar questions

Q. Find the unit digit of

\frac{12^{55}}{3^{11}} + \frac{8^{48}}{16^{18}}

?___

Q. The digit at the tens place of a two digit number is three times the digit at the units place, If digits are reversed, the new number will be

36

less than the original number. Find the number.

The digit at tens place of a two digit number is two times the digit at its units place. If the digits are interchanged and added to the original number, then the result will be 66. Find the original number.

Q. A two digit number x is the digit at units place and y is the digit at tens place, then the number is.

(64)^{2}

would have digit ____ at units place.

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1255311+8481618 will give the digit at units place

1255311=344.455→4 as units place. Similarly, 8481618=272→6 as the units place. Hence, 0 is the answer.

$\frac{12^{55}}{3^{11}} + \frac{8^{48}}{16^{18}}$ will give the digit at units place

$\frac{12^{55}}{3^{11}} = 3^{44} {.4}^{55} \to 4$ as units place.
Similarly, $\frac{8^{48}}{16^{18}} = 2^{72} \to 6$ as the units place.
Hence, 0 is the answer.