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- Find the remainder when the number (225n + 169) is divided by 15.
- The smallest positive number 'P' which when divided by 21, 28, and 42 leaves 4 as the remainder in each case. Find the value of ('5P' - 10).
- The difference of and its reciprocal is equal to
- What is the least value of ‘a’ that should come in the number 5943a2, to make the number exactly divisible by 8?
- Determine the total no of odd factors of the number 4200.
- If a number is decreased by 8 and divided by 12, the result is 16. What would be the result if 10 is subtracted from the number and then it is divided by 5...
- What is the smallest number that must be deducted from 672591 so that the result is divisible by 11?
- The sum of three consecutive natural numbers each divisible by 5, is 255. The largest among them is:
- Determine the least number that must be added to 960 to make it a multiple of 48.
- Find the unit digit of the expression: 3! + 4! + 5! + 6! + ........ + 1111!.
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