20% of 30% of 20% of Rs. 850 is?

Rs: 10.20

Rs: 9.50

Rs: 10.50

None

To evaluate this expression, we need to follow the order of operations (PEMDAS):

1. Calculate 20% of Rs. 850:

20% × 850 = 0.20 × 850 = Rs. 170

2. Calculate 30% of Rs. 170:

30% × 170 = 0.30 × 170 = Rs. 51

3. Calculate 20% of Rs. 51:

20% × 51 = 0.20 × 51 = Rs. 10.20