SBI PO 21 Nov 2021 Shift 1 Paper

A 40 cm long paper strip was cut into two strips in the ratio 5 ∶ 3. The longer strip was further divided into two strips in the ratio 4 ∶ 1, while the smaller strip was also divided into two strips in the ratio 3 ∶ 2. What is the difference between the lengths of the two shortest strips?