Answer
Step by step text solution for A number is multiplied by 11 and 11 is added to the product. If the resulting number is divisible by 13, the smallest original number is 12 (b) 22 (c) 26 (d) 53 by MATHS experts to help you in doubts & scoring excellent marks in Class 14 exams.
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RS AGGARWAL-NUMBER SYSTEM-All Questions
- If n is any odd number greater than 1, then n\ (n^2-1) is divisible b...
01:47
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- The sum of digits of a 3-digit number is subtracted from the number...
01:48
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- A number is multiplied by 11 and 11 is added to the product. If the...
02:22
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- The product of any three consecutive natural numbers is always divis...
09:07
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- The sum of three consecutive odd numbers is always divisible by I....
01:28
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- The greatest number by which the product of three consecutive multi...
02:04
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- If p is a prime number greater than 3, then (p^2-1) is always divisibl...
01:19
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- The difference between the squares of two consecutive odd integers ...
01:32
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- A 4-digit number is formed by repeating a 2-digit number such as 25...
02:25
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- A 6-digit number is formed by repeating a 3-digit number: for examp...
02:09
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- The sum of the digits of a natural number (10^n-1) is 4707, where n is...
02:09
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- (x^n-a^n) is divisible by (x-a) for all values of n (b) only for even...
02:10
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- Which one of the following is the number by which the product of 8 ...
02:06
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- Consider the following statements: For any positive integer n, the ...
01:44
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- If n is any positive integer, 3^(4n)-4^(3n) is always divisible by 7 ...
02:00
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- If the square of an odd natural number is divisible by 8, then the ...
01:51
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- The largest number that exactly divides each number of the sequence...
01:25
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- The difference of the squares of two consecutive even integers is d...
01:44
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- The difference of the squares of two consecutive odd integers is di...
01:52
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- The smallest 4-digit number exactly divisible by 7 is 1001 (...
01:28
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