Can a concrete cube's 7th day test value be higher than it's 28th day?

The individual variation of a set of 3 cubes should not be more than ± 15% of the average If more, the test result of the sample is invalid Note:- For

You may have always wondered why your concrete cube samples have not been giving the expected results despite using good or suitable materials

cube test report Compressive Strength Test Of Concrete Cubes · 1 Keep the specimens in a place, free from vibration, in moist air and at a temperature of 27°C ±2° C for 24 hours

cube test report format SUMMARY OF CONCRETE CUBE TEST RESULTS 3, Contract Name: 4, Contract Ref: 5, Concrete Grade: C, 35, Nmm2, Specified Strength 6 7, Client: 8, Request Sheet No