Whole numbers, integers, place value, divisibility, HCF and LCM.
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Q1 · Numbers · EASY
A number when divided by 12 leaves a remainder of 7. What will be the remainder when the same number is divided by 6?
Q2 · Numbers · MEDIUM
The HCF of two numbers is 18 and their LCM is 360. If one of the numbers is 72, what is the other number?
Q3 · Numbers · MEDIUM
What is the smallest number that should be added to 2957 so that the resulting number is divisible by 11?
Q4 · Numbers · MEDIUM
The sum of the digits of a two-digit number is 12. If the digits are reversed, the new number is 18 less than the original number. What is the original number?
Q5 · Numbers · HARD
Three bells ring at intervals of 12 minutes, 15 minutes and 18 minutes respectively. If they all ring together at 8:00 AM, at what time will they next ring together?