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Two alarm clocks ring ir alarms at regular intervals of 50 seconds and 48 seconds. If y first beep toger at 12 noon, at what time will y beep again for first time?


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This Chapter Number-System-Aptitude-questions consists of the following topics

In a 4-digit number, the sum of the first two digits is equal to that of last two digits. The sum of the first and last digits is equal to third digit. Finally, the sum of the second and fourth digits is twice the sum of the other two digits. What is the third digit of the number?

Two alarm clocks ring ir alarms at regular intervals of 50 seconds and 48 seconds. If y first beep toger at 12 noon, at what time will y beep again for first time?

On a road three consecutive traffic lights change after 36, 42 and 72 seconds respectively. If the lights are first switched on at 9:00 AM sharp, at what time will they change simultaneously?

Two alarm clocks ring their alarms at regular intervals of 50 seconds and 48 seconds. If they first beep together at 12 noon

at what time will they beep again for first time?

Number System Aptitude questions

Arithmetic-Aptitude