Hi everyone,

I have a big problem and need descreptly your help on that.

I have an excel 2000 sheet in which i need to calculate average of time
taken to solve the problem. Sheet details are given below

time is in [h]:mm format and conditions are there i.e. if data in column A
meets creteria then only it will add the respective time viz..

A B
123 36:56
123 12:13
235 00:15
528 28:16

now on based on this example i want to take average of time value from
column B where data in column A is 123. which should come (36:56+12:13)/2.

Please help
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