A two-digit number is 5 times the sum of its digits. If 9 is added to the number, the digits get reversed. Find the number.
A number exceeds 45 times its reciprocal by 5/6. Find the number.
Find the unit digit of (9245 - 2).
Find the value of 6 + 66 + 666 + 6666 +hellip;hellip;hellip;hellip;.. + n terms.
1. `(2)/(3) ((10 xx (10^(n)- 1))/9 - n)`
2.
Find the remainder when 7103 is divided by 12.
The cube of the difference between two given natural numbers is 1728, while the product of these two given numbers is 108. Find the sum of these two giv...
- If the number ‘7k854l2’ is divisible by 12, then what is the highest value of (k + l)?
The sum of the exponents of the prime factors in the prime factorization of 108 is
In a bag full of pencils, 3/4 of the pencils were colored pencils, and 8/15 of the colored pencils were red. If there were 72 red pencils in the bag, w...
Find the least 4-digit number which, when divided by 18, 30, and 45, leaves a remainder of 2 in each case.
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