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A number consists of two digits. The sum...

A number consists of two digits. The sum of the digits is 11, reversing the digits, the number deceases by 45, the number is :

A

38

B

65

C

74

D

83

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QUANTUM CAT-NUMBER SYSTEM-QUESTION BANK
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  3. A number consists of two digits. The sum of the digits is 11, reversin...

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  4. If a number of two digit is 'k' times the sum of its digits then the n...

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  5. The value of x when (25)(x) = (85)(10) is:

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  6. Which one is an invalid number?

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  7. (35)(n) , (37)(n), (45)(n) and (51)(n) all are written in base n then ...

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  8. The last three digits in the binary representation of (365247728)(10) ...

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  9. The last three digits, if (12345956)(10) is expressed in binary system...

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  10. The last four digits in the binary representation of (8009)(10) is :

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  11. A number of decimal system when represented in binary system then its ...

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  12. When a two digit number is reversed, the new number is reduced by 63 a...

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  13. If (25)(n) xx (31)(n) = (1015)(n) then the value of (13)(n) xx (52)(n)...

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  14. What is the decimal equivalent of the hexadecimal number ubrace((100.....

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  15. If the decimal number 2^(111) is written in the octal system, then wha...

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  16. Match list I(Binary) with list II (Octal) and select the correct answe...

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  17. Find the 10th term of the following series 7,10, 13,16,…..etc.

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  18. Find the sum of the 10 terms of the following series -11, -8, -5, -2……...

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  19. Find the arithmetic mean of the following -17, -13, -9, -5, -1,………

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  20. Find the 6th term of 2,4,8,……….

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