GJ Police PC · Quantitative Aptitude
Whole numbers, integers, divisibility, HCF and LCM.
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Q1 · Number System · HARD
A number when divided by 17 leaves a remainder 5. What will be the remainder if the same number is divided by 51?
Q2 · Number System · EASY
The HCF of two numbers is 23 and their LCM is 1449. If one of the numbers is 161, what is the other number?
Q3 · Number System · MEDIUM
Three bells toll at intervals of 12 minutes, 15 minutes and 18 minutes respectively. If they start tolling together at 8:00 AM, at what time will they next toll together?
Q4 · Number System · MEDIUM
A number when divided by 5 leaves a remainder 3, and when divided by 7 leaves a remainder 4. What is the least such positive number?
Q5 · Number System · EASY
Find the LCM of 18, 24, and 36.