railway RRB NTPC Mock Test Series 2024-25 (CBT 1 + CBT 2) Quantitative Aptitude Number System Quick Math
A piece of string is 40 cm long. It is cut into three pieces. The longest piece is three times as long as the middle-sized piece, and the shortest piece is 23 cm shorter than the longest piece. Find the length of the shortest piece (in cm).
1
27
2
5
3
4
4
9