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By which of the following, 787878 is no...

By which of the following, 787878 is not divisible?

A

7

B

11

C

13

D

None of these

Text Solution

AI Generated Solution

The correct Answer is:
To determine by which of the following numbers 787878 is not divisible, we will check the divisibility of 787878 by 7, 11, and 13. ### Step 1: Check divisibility by 7 1. Divide 787878 by 7. - Calculation: 787878 ÷ 7 = 112554 - Since the result is a whole number, 787878 is divisible by 7. ### Step 2: Check divisibility by 11 1. Divide 787878 by 11. - Calculation: 787878 ÷ 11 = 71635.27 - Since the result is not a whole number, 787878 is not divisible by 11. ### Step 3: Check divisibility by 13 1. Divide 787878 by 13. - Calculation: 787878 ÷ 13 = 60603 - Since the result is a whole number, 787878 is divisible by 13. ### Conclusion: 787878 is not divisible by **11**. ---
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BHARDWAJ ACADEMY-NUMBER SYSTEM -CHAPTER EXERCISE
  1. Which of the following numbers is divisible by 3?

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  2. By which of the following, 555555 is divisible?

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  3. By which of the following, 787878 is not divisible?

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  4. A number 774958 N(1) 96 N(2) to be divisible by 8 and 9, the values ...

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  5. If x and y are different integers, both divisible by 5, then which of...

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  6. what should come in place of 'x' so that the number 873 x 24 is divisi...

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  7. 16^(5)+2^(15) is divisible by

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  8. If 5432*7 is divisible by 9, then the digit in place of * is

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  9. If 78*3945\ is divisible by 11, where * is a digit, then * is equa...

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  10. A number when divided by 280 leaves 115 as remainder. When the same n...

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  11. The number which can be written in the form of n (n+1) (n+ 2), where n...

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  12. Find the remainder in expression– (2581 xx (2862)^(2) xx (2873)^(3))...

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  13. If 25^(25) is divisible by 26, then find the remainder.

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  14. Write 94 in roman system.

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  15. Write 493 in roman system.

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  16. If x = (2)/(3) and y = (3)/(4), then a rational number(x – y) ^(-1) +...

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  17. Sum and difference of two numbers are 25 and 15 respectively. The gre...

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

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

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

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