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The digit in unit's place of the product...

The digit in unit's place of the product `81 xx 82 xx 83 xx`... `xx 89` is

A

0

B

2

C

6

D

8

Text Solution

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The correct Answer is:
A
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BHARDWAJ ACADEMY-NUMBER SYSTEM -CHAPTER EXERCISE
  1. Sum and difference of two numbers are 25 and 15 respectively. The gre...

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  2. The unit digit in the product (122)^(173) is

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  3. The digit in unit's place of the product 81 xx 82 xx 83 xx... xx 89 is

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  4. Find the unit digit in the product 268 xx 732.

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  5. Find the unit digit in the product of (268 xx 589 xx 826 xx 102).

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  6. Find the unit digit in (6 ^(36))^(84).

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  7. The unit's digit of the number (3127)^(173) is

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  8. The value of (3.157 xx 4126 xx 3. 198)/(63.972 xx 2835.212) is closest...

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  9. It (3)/(4) of the difference of 2(1)/(4) and 1(2)/(3) is subtracted fr...

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  10. Find the value of fraction which is shown in the given figure.

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  11. The value of fraction, shown in the given figure, is

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  12. The value of the fraction, shown in the given figure, is

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  13. If the (2)/(7)th part of a certain sum was donated and(1)/(4) th was ...

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  14. Which of the following is the smallest fraction? (8)/(25), (7)/(23),...

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  15. Arrangement of the fractions (4)/(3) , (2)/(9) , - (7)/(8) , (5)/(12) ...

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  16. Which of the following fractions is less than 7/8 and greater th...

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  17. Descending order of (15)/(16) , (11)/(20), (13)/(25) is

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  18. If two positive integers differ by 4 and sum of their reciprocals is ...

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  19. If we multiply a fraction by itself and divide to product by its recip...

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  20. Find the value of 200 xx 439 + 200 xx 321 in standard form is

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