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Evaluate: 475xx475\ +\ 125xx125\ \ \ \...

Evaluate: `475xx475\ +\ 125xx125\ \ \ \ \ ` `796xx796\ \ 204xx204`

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RS AGGARWAL-NUMBER SYSTEM-All Questions
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  2. Simplify: (i) 1605 x 1605       (ii) 1398 x 1398

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  3. Evaluate: 475xx475\ +\ 125xx125\ \ \ \ \ 796xx796\ \ 204xx204

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  4. Simplify: (387xx387\ +\ 113xx113\ +\ 2xx387xx113) (87xx87\ +\ 61xx...

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  5. Find the square root of 4a^2+b^2+c^2+4a b-2b c-4a cdot

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  8. Simplify: ((893+786)^2-\ (893-786)^2)/((893xx786))

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  9. Which of the following are prime numbers? 241       (ii)  337      ...

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  10. If Delta stands for the operation text('adding first number to twice t...

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  13. What least value must be assigned to * so that the number 197*5462 ...

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  15. Which digits should come in place of ** and $ if the number 62684**$ i...

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  16. Show that 4832718 is divisible by 11.

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  17. Is 52563744 divisible by 24?

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  18. What are the values of M and N respectively if M 39048458 N is divisib...

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  19. Find the number of digits in the smallest number which is made up o...

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