Question

please let me know the answer

Answer 1

hello friend

The volume of outer box = l×b×h
= 10×8×7=560cm^3

length of inner box= 10 -2×1=8cm
breadth of inner box= 8-2×1= 6cm
height of inner box = 7-2×1= 5cm

volume of inner box= l×b×h
= 8×6×5= 240 cm^3= 240+560=800
800×20= Rs 16000

thanks dear