GSSSB · Reasoning and Quantitative Aptitude
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Number System
Whole, rational and irrational numbers; HCF and LCM.
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Take a full mock →Q1 · Number System · EASY
The HCF of two numbers is 12 and their LCM is 180. If one of the numbers is 36, what is the other number?
Q2 · Number System · MEDIUM
Three bells ring at intervals of 12 minutes, 18 minutes and 20 minutes respectively. If they all ring together at 9:00 AM, at what time will they next ring together?
Q3 · Number System · HARD
The sum of two numbers is 216 and their HCF is 27. How many such pairs of numbers are possible?
Q4 · Number System · MEDIUM
When a certain number is divided by 15, it leaves a remainder of 7. What will be the remainder when the same number is divided by 5?
Q5 · Number System · HARD
The sum of two numbers is 45 and their HCF is 5. How many such pairs of numbers are possible?