List of top Logical Reasoning Questions on Number Series asked in MH CET

If Pipe A fills a tank in 4 hours, Pipe B fills a tank in 5 hours, how much time will they take to fill if each pipe is turned on after an interval of 1 hour?
How many times do the clock hands overlap in 12 hours?
A:B = 4:5, B:C = 6:7, what is the value of A:C?
Out of 1/4 and 4/3, which one is the bigger fraction?
What is the Roman number for 100?
Find the missing number: 49, 64, ?, 100, 121
Find the missing number: 71, 55, 41, 29, ?, 11