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What is the correct answer?

4

Find the unit digit in
(544)102+(544)103

A. 2

B. 4

C. 0

D. 1

Correct Answer :

C. 0


Required digit is = (4)102+(4)103  as (4)2 gives unit digit 6 so (4)102 unit digit is 6 and (4)103 unit digit is, unit digit of 6×4 = 4, so answer will be unit digit of 6 + 4 = 0 

Related Questions

What is the correct answer?

4

Find the unit digit in
(544)102+(544)103

A. 2

B. 4

C. 0

D. 1

What is the correct answer?

4

A number when divided by 44, gives 432 as quotient and 0 as remainder. What will be the remainder when dividing the same number by 31

A. 5

B. 3

C. 4

D. 6

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4

1307 * 1307 = ?

A. 1608249

B. 1508249

C. 1408249

D. 1708249

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4

There are four prime numbers written in ascending order. The product of first three is 385 and that of last three is 1001. The last number is:

A. 9

B. 13

C. 15

D. 12

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4

A number when divided by the sum of 555 and 445 gives two times their difference as quotient and 30 as remainder. The number is

A. 22030

B. 220030

C. 23030

D. 24030

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4

What is the unit digit in
(6324)1797×(615)316×(341)476

A. 1

B. 5

C. 7

D. 0

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4

What least number must be subtracted from 427398 so that remaining number is divisible by 15

A. 3

B. 5

C. 7

D. 9

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4

Which is smallest prime number

A. 0

B. 2

C. 3

D. 7

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4

What least value should be replaced by * in 223*431 so the number become divisible by 9

A. 3

B. 4

C. 5

D. 6

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4

Simplify 586645 * 9999

A. 5865863355

B. 5665863355

C. 4865863355

D. 4665863355

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4

What is the largest 4 digit number exactly divisible by 88

A. 9900

B. 9999

C. 9988

D. 9944

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4

6897 is divisible by

A. 11 only

B. 19 only

C. both 11 and 19

D. neither 11 nor 19

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4

How many terms are there in 2,4,8,16,....,1024

A. 7

B. 8

C. 9

D. 10

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4

469157 * 9999

A. 1691100843

B. 4591100843

C. 4691100843

D. 3691100843

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4

What least number should be added to 1056, so that the sum is completely divisible by 23

A. 4

B. 1

C. 2

D. 3

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4

For the integer n, if n*n*n is odd, then what is true

A. n is odd and n*n is even

B. n*n is odd

C. n is even

D. n*n is odd

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4

462(?)2=43983066

A. 23

B. 18

C. 38

D. 28

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4

587 * 999 = ?

A. 586411

B. 586413

C. 486411

D. 486413

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4

217 * 217 + 183 * 183

A. 70578

B. 82578

C. 80578

D. 80568

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4

1939392 * 625

A. 1212120010

B. 1212120000

C. 1212120011

D. 12121210102n

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4

7589 - X = 3434

A. 4155

B. 2321

C. 3155

D. None of above

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4

Simplify (212 * 212 + 312 * 312 )

A. 132288

B. 142088

C. 142188

D. 142288

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4

The greatest number by which the product of three consecutive multiples of 3 is always

A. 54

B. 81

C. 162

D. 243

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4

Which of the following is a prime number

A. 9

B. 2

C. 4

D. 8