Answer Posted / vivek yadav

Standard brick size 190*90*90
0.19*0.09*0.09= 0.001539m^3
1÷0.001539= 649.77
= 650 brick's (approx)
Actual brick size 230*115*76
0.23*0.115*0.076= 0.0020102m^3
1÷0.0020102= 497.46
= 498 brick's (approx)

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