Mental Ability MCQs

LCM / Time Questions with solutions MCQs

1. Four bells ring simultaneously at 9 am. They ring at regular intervals of 10 minutes, 20 minutes, 30 minutes, 40 minutes respectively. The next time when all the four bells ring together is:

A

11 am

B

10:30 am

C

1:00 pm

D

11:30 am

LCM / Time Veterinary Pharmacist 2024
Correct Answer : A
Explanation :

LCM of 10,20,30,40 = 120 minutes = 2 hours. Next together at 9am + 2 hours = 11 am.

Correct Answered :

Wrong Answered :

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