Select the correct combination of mathematical signs to sequentially replace the % signs and to balance the given equation.

[{(32 % 28) % (6 % 4)} % (1 % 7)] % 5 % 20

−, +, ×, ÷, ×, ×, =

[{(32 % 28) % (6 % 4)} % (1 % 7)] % 5 % 20

Applying option 1 −, +, ×, ÷, ×, ×, =

[{(32 − 28)  + (6 × 4)} ÷ (1 × 7)] × 5 = 20

[{(32 − 28)  + (6 × 4)} ÷ (1 × 7)] × 5 = 20

[{4  + 24} ÷ (1 × 7)] × 5 = 20

[ 28 ÷ 7] × 5

4 × 5 

20  = 20

L.H.S = R . H . S