Question
When a number is divided by 19 remainder is 7. Find the
remainder when four times of the same number is divided by 19.Solution
Number = (19A + 7), where 'A' is constant. Therefore, required remainder = [4 × (19A + 7)] ÷ 19 = (76A + 28) ÷ 19 = (76A + 19 + 9) ÷ 19 = 9
'M' is the largest three-digit number that leaves 3 as a remainder when divided by 9, 12 and 5, Find the sum of digits of 'M'.
If (2/3)rd of ‘x’ exceeds (2/5)th of (x + 5) by 6, then find the value of ‘x’.
Five successive even integers have a sum of 260. Find the difference between the cube of the first and the square of the last.
Arun has 96 toy cars – some red and some black. If he buys 36 more red toy cars, the ratio of red to black cars becomes 7:5. Find the number of red to...
Find the largest number that, when dividing 259, 323, and 640, leaves remainders of 4, 8, and 10, respectively.
In a class, 3/7 of the students are girls and rest are boys. If 1/3 of the girls and 1/5 of the boys are absent. What part of the total number of studen...
A number 'N' when divided by 14 leaves 6 as remainder. If 9N2 is divided by 14, then find the remainder.
- A two-digit number '8d' is completely divisible by '4'. When the same number is divided by '3', there is a remainder of '1'. Find the value of 'd'.
- Determine the total sum of all three-digit numbers that are divisible by both 2 and 7.
If 6 is to 216 as 2 is to:
